1186718008: Neonatal encephalomyopathy, cardiomyopathy, respiratory distress syndrome (disorder)

SNOMED CT Concept\Clinical finding (finding)\...

\Viscus structure finding (finding)\Cardiac finding (finding)\...

\Myocardial finding\Myocardial disease\Cardiomyopathy\...

\Hypertrophic cardiomyopathy\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.

\Cardiomyopathy associated with another disorder (disorder)\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Cardiomyopathy associated with another disorder (disorder)\Mitochondrial cardiomyopathy (disorder)\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.

\Heart disease\Structural disorder of heart\Hypertrophic cardiomyopathy\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Heart disease\Myocardial disease\Cardiomyopathy\Hypertrophic cardiomyopathy\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Heart disease\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Heart disease\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Mitochondrial cardiomyopathy (disorder)\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Heart disease\Cardiac complication\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Heart disease\Cardiac complication\Mitochondrial cardiomyopathy (disorder)\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.

\Head finding (finding)\Finding of brain\Disorder of brain (disorder)\Mitochondrial encephalomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Head finding (finding)\Disorder of head (disorder)\Disorder of brain (disorder)\Mitochondrial encephalomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.

\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Disorder of thoracic segment of trunk\Disorder of thorax (disorder)\Disorder of mediastinum (disorder)\Heart disease\Structural disorder of heart\Hypertrophic cardiomyopathy\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Disorder of thoracic segment of trunk\Disorder of thorax (disorder)\Disorder of mediastinum (disorder)\Heart disease\Myocardial disease\Cardiomyopathy\Hypertrophic cardiomyopathy\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Disorder of thoracic segment of trunk\Disorder of thorax (disorder)\Disorder of mediastinum (disorder)\Heart disease\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Disorder of thoracic segment of trunk\Disorder of thorax (disorder)\Disorder of mediastinum (disorder)\Heart disease\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Mitochondrial cardiomyopathy (disorder)\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Disorder of thoracic segment of trunk\Disorder of thorax (disorder)\Disorder of mediastinum (disorder)\Heart disease\Cardiac complication\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Disorder of thoracic segment of trunk\Disorder of thorax (disorder)\Disorder of mediastinum (disorder)\Heart disease\Cardiac complication\Mitochondrial cardiomyopathy (disorder)\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Finding of region of thorax\Mediastinal finding (finding)\Cardiac finding (finding)\Myocardial finding\Myocardial disease\Cardiomyopathy\Hypertrophic cardiomyopathy\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Finding of region of thorax\Mediastinal finding (finding)\Cardiac finding (finding)\Myocardial finding\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Finding of region of thorax\Mediastinal finding (finding)\Cardiac finding (finding)\Myocardial finding\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Mitochondrial cardiomyopathy (disorder)\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Finding of region of thorax\Mediastinal finding (finding)\Cardiac finding (finding)\Heart disease\Structural disorder of heart\Hypertrophic cardiomyopathy\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Finding of region of thorax\Mediastinal finding (finding)\Cardiac finding (finding)\Heart disease\Myocardial disease\Cardiomyopathy\Hypertrophic cardiomyopathy\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Finding of region of thorax\Mediastinal finding (finding)\Cardiac finding (finding)\Heart disease\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Finding of region of thorax\Mediastinal finding (finding)\Cardiac finding (finding)\Heart disease\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Mitochondrial cardiomyopathy (disorder)\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Finding of region of thorax\Mediastinal finding (finding)\Cardiac finding (finding)\Heart disease\Cardiac complication\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Finding of region of thorax\Mediastinal finding (finding)\Cardiac finding (finding)\Heart disease\Cardiac complication\Mitochondrial cardiomyopathy (disorder)\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Finding of region of thorax\Mediastinal finding (finding)\Disorder of mediastinum (disorder)\Heart disease\Structural disorder of heart\Hypertrophic cardiomyopathy\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Finding of region of thorax\Mediastinal finding (finding)\Disorder of mediastinum (disorder)\Heart disease\Myocardial disease\Cardiomyopathy\Hypertrophic cardiomyopathy\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Finding of region of thorax\Mediastinal finding (finding)\Disorder of mediastinum (disorder)\Heart disease\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Finding of region of thorax\Mediastinal finding (finding)\Disorder of mediastinum (disorder)\Heart disease\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Mitochondrial cardiomyopathy (disorder)\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Finding of region of thorax\Mediastinal finding (finding)\Disorder of mediastinum (disorder)\Heart disease\Cardiac complication\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Finding of region of thorax\Mediastinal finding (finding)\Disorder of mediastinum (disorder)\Heart disease\Cardiac complication\Mitochondrial cardiomyopathy (disorder)\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Finding of region of thorax\Disorder of thorax (disorder)\Disorder of mediastinum (disorder)\Heart disease\Structural disorder of heart\Hypertrophic cardiomyopathy\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Finding of region of thorax\Disorder of thorax (disorder)\Disorder of mediastinum (disorder)\Heart disease\Myocardial disease\Cardiomyopathy\Hypertrophic cardiomyopathy\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Finding of region of thorax\Disorder of thorax (disorder)\Disorder of mediastinum (disorder)\Heart disease\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Finding of region of thorax\Disorder of thorax (disorder)\Disorder of mediastinum (disorder)\Heart disease\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Mitochondrial cardiomyopathy (disorder)\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Finding of region of thorax\Disorder of thorax (disorder)\Disorder of mediastinum (disorder)\Heart disease\Cardiac complication\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Finding of upper trunk (finding)\Finding of region of thorax\Disorder of thorax (disorder)\Disorder of mediastinum (disorder)\Heart disease\Cardiac complication\Mitochondrial cardiomyopathy (disorder)\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Disorder of trunk (disorder)\Disorder of thoracic segment of trunk\Disorder of thorax (disorder)\Disorder of mediastinum (disorder)\Heart disease\Structural disorder of heart\Hypertrophic cardiomyopathy\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Disorder of trunk (disorder)\Disorder of thoracic segment of trunk\Disorder of thorax (disorder)\Disorder of mediastinum (disorder)\Heart disease\Myocardial disease\Cardiomyopathy\Hypertrophic cardiomyopathy\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Disorder of trunk (disorder)\Disorder of thoracic segment of trunk\Disorder of thorax (disorder)\Disorder of mediastinum (disorder)\Heart disease\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Disorder of trunk (disorder)\Disorder of thoracic segment of trunk\Disorder of thorax (disorder)\Disorder of mediastinum (disorder)\Heart disease\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Mitochondrial cardiomyopathy (disorder)\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Disorder of trunk (disorder)\Disorder of thoracic segment of trunk\Disorder of thorax (disorder)\Disorder of mediastinum (disorder)\Heart disease\Cardiac complication\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Finding of trunk structure (finding)\Disorder of trunk (disorder)\Disorder of thoracic segment of trunk\Disorder of thorax (disorder)\Disorder of mediastinum (disorder)\Heart disease\Cardiac complication\Mitochondrial cardiomyopathy (disorder)\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.

\General finding of soft tissue\Disorder of soft tissue\Disorder of skeletal muscle\Metabolic myopathy\Mitochondrial myopathy\Mitochondrial encephalomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.

\Central nervous system finding\Finding of brain\Disorder of brain (disorder)\Mitochondrial encephalomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Central nervous system finding\Disorder of the central nervous system (disorder)\Central nervous system complication\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Central nervous system finding\Disorder of the central nervous system (disorder)\Disorder of brain (disorder)\Mitochondrial encephalomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.

\Finding of neonate\Neonatal disorder\...

\Neonatal metabolic disorder (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.

\Neonatal cardiovascular disorder\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.

\Cardiovascular finding (finding)\Cardiac finding (finding)\Myocardial finding\Myocardial disease\Cardiomyopathy\Hypertrophic cardiomyopathy\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Cardiovascular finding (finding)\Cardiac finding (finding)\Myocardial finding\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Cardiovascular finding (finding)\Cardiac finding (finding)\Myocardial finding\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Mitochondrial cardiomyopathy (disorder)\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Cardiovascular finding (finding)\Cardiac finding (finding)\Heart disease\Structural disorder of heart\Hypertrophic cardiomyopathy\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Cardiovascular finding (finding)\Cardiac finding (finding)\Heart disease\Myocardial disease\Cardiomyopathy\Hypertrophic cardiomyopathy\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Cardiovascular finding (finding)\Cardiac finding (finding)\Heart disease\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Cardiovascular finding (finding)\Cardiac finding (finding)\Heart disease\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Mitochondrial cardiomyopathy (disorder)\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Cardiovascular finding (finding)\Cardiac finding (finding)\Heart disease\Cardiac complication\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Cardiovascular finding (finding)\Cardiac finding (finding)\Heart disease\Cardiac complication\Mitochondrial cardiomyopathy (disorder)\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Cardiovascular finding (finding)\Disorder of cardiovascular system (disorder)\Neonatal cardiovascular disorder\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Cardiovascular finding (finding)\Disorder of cardiovascular system (disorder)\Cardiovascular system hereditary disorder\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Cardiovascular finding (finding)\Disorder of cardiovascular system (disorder)\Heart disease\Structural disorder of heart\Hypertrophic cardiomyopathy\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Cardiovascular finding (finding)\Disorder of cardiovascular system (disorder)\Heart disease\Myocardial disease\Cardiomyopathy\Hypertrophic cardiomyopathy\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Cardiovascular finding (finding)\Disorder of cardiovascular system (disorder)\Heart disease\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Cardiovascular finding (finding)\Disorder of cardiovascular system (disorder)\Heart disease\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Mitochondrial cardiomyopathy (disorder)\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Cardiovascular finding (finding)\Disorder of cardiovascular system (disorder)\Heart disease\Cardiac complication\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Cardiovascular finding (finding)\Disorder of cardiovascular system (disorder)\Heart disease\Cardiac complication\Mitochondrial cardiomyopathy (disorder)\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.

\Muscle finding\Disorder of skeletal AND/OR smooth muscle (disorder)\...

\Disorder of skeletal muscle\Metabolic myopathy\Mitochondrial myopathy\Mitochondrial encephalomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.

\Secondary myopathy\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.

\Musculoskeletal finding\Disorder of musculoskeletal system\...

\Hereditary disorder of musculoskeletal system\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.

\Disorder of skeletal muscle\Metabolic myopathy\Mitochondrial myopathy\Mitochondrial encephalomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.

\Disease\Genetic disease\Hereditary disease\Hereditary disorder by system\Hereditary disorder of nervous system\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Genetic disease\Hereditary disease\Hereditary disorder by system\Hereditary disorder of musculoskeletal system\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Genetic disease\Hereditary disease\Hereditary disorder by system\Cardiovascular system hereditary disorder\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Genetic disease\Hereditary disease\Autosomal hereditary disorder\Autosomal recessive hereditary disorder\Coenzyme Q10 deficiency (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of foetus and/or newborn\Neonatal disorder\Neonatal metabolic disorder (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of foetus and/or newborn\Neonatal disorder\Neonatal cardiovascular disorder\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of body system\Hereditary disorder by system\Hereditary disorder of nervous system\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of body system\Hereditary disorder by system\Hereditary disorder of musculoskeletal system\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of body system\Hereditary disorder by system\Cardiovascular system hereditary disorder\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of body system\Disorder of nervous system (disorder)\Neuropathy (disorder)\Disorder of nerve due to metabolic disease (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of body system\Disorder of nervous system (disorder)\Hereditary disorder of nervous system\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of body system\Disorder of nervous system (disorder)\Disorder of the central nervous system (disorder)\Central nervous system complication\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of body system\Disorder of nervous system (disorder)\Disorder of the central nervous system (disorder)\Disorder of brain (disorder)\Mitochondrial encephalomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of body system\Disorder of cardiovascular system (disorder)\Neonatal cardiovascular disorder\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of body system\Disorder of cardiovascular system (disorder)\Cardiovascular system hereditary disorder\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of body system\Disorder of cardiovascular system (disorder)\Heart disease\Structural disorder of heart\Hypertrophic cardiomyopathy\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of body system\Disorder of cardiovascular system (disorder)\Heart disease\Myocardial disease\Cardiomyopathy\Hypertrophic cardiomyopathy\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of body system\Disorder of cardiovascular system (disorder)\Heart disease\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of body system\Disorder of cardiovascular system (disorder)\Heart disease\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Mitochondrial cardiomyopathy (disorder)\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of body system\Disorder of cardiovascular system (disorder)\Heart disease\Cardiac complication\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of body system\Disorder of cardiovascular system (disorder)\Heart disease\Cardiac complication\Mitochondrial cardiomyopathy (disorder)\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of body system\Disorder of mediastinum (disorder)\Heart disease\Structural disorder of heart\Hypertrophic cardiomyopathy\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of body system\Disorder of mediastinum (disorder)\Heart disease\Myocardial disease\Cardiomyopathy\Hypertrophic cardiomyopathy\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of body system\Disorder of mediastinum (disorder)\Heart disease\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of body system\Disorder of mediastinum (disorder)\Heart disease\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Mitochondrial cardiomyopathy (disorder)\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of body system\Disorder of mediastinum (disorder)\Heart disease\Cardiac complication\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of body system\Disorder of mediastinum (disorder)\Heart disease\Cardiac complication\Mitochondrial cardiomyopathy (disorder)\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of body system\Disorder of musculoskeletal system\Hereditary disorder of musculoskeletal system\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of body system\Disorder of musculoskeletal system\Disorder of skeletal muscle\Metabolic myopathy\Mitochondrial myopathy\Mitochondrial encephalomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of skeletal AND/OR smooth muscle (disorder)\Disorder of skeletal muscle\Metabolic myopathy\Mitochondrial myopathy\Mitochondrial encephalomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of skeletal AND/OR smooth muscle (disorder)\Secondary myopathy\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of trunk (disorder)\Disorder of thoracic segment of trunk\Disorder of thorax (disorder)\Disorder of mediastinum (disorder)\Heart disease\Structural disorder of heart\Hypertrophic cardiomyopathy\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of trunk (disorder)\Disorder of thoracic segment of trunk\Disorder of thorax (disorder)\Disorder of mediastinum (disorder)\Heart disease\Myocardial disease\Cardiomyopathy\Hypertrophic cardiomyopathy\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of trunk (disorder)\Disorder of thoracic segment of trunk\Disorder of thorax (disorder)\Disorder of mediastinum (disorder)\Heart disease\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of trunk (disorder)\Disorder of thoracic segment of trunk\Disorder of thorax (disorder)\Disorder of mediastinum (disorder)\Heart disease\Myocardial disease\Cardiomyopathy\Cardiomyopathy associated with another disorder (disorder)\Mitochondrial cardiomyopathy (disorder)\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of trunk (disorder)\Disorder of thoracic segment of trunk\Disorder of thorax (disorder)\Disorder of mediastinum (disorder)\Heart disease\Cardiac complication\Hypertrophic cardiomyopathy due to disorder\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of trunk (disorder)\Disorder of thoracic segment of trunk\Disorder of thorax (disorder)\Disorder of mediastinum (disorder)\Heart disease\Cardiac complication\Mitochondrial cardiomyopathy (disorder)\Hypertrophic mitochondrial cardiomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of head (disorder)\Disorder of brain (disorder)\Mitochondrial encephalomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Metabolic disease\Neonatal metabolic disorder (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Metabolic disease\Mitochondrial cytopathy\Mitochondrial myopathy\Mitochondrial encephalomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Metabolic disease\Enzymopathy\Specific enzyme deficiency (disorder)\Coenzyme Q10 deficiency (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.
\Disease\Disorder of soft tissue\Disorder of skeletal muscle\Metabolic myopathy\Mitochondrial myopathy\Mitochondrial encephalomyopathy (disorder)\A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.

Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 30-Nov 2021. Module: SNOMED CT core

Descriptions:

Id Description Lang Type Status Case? Module

5399518010 A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia. en Definition Active Entire term case sensitive (core metadata concept) SNOMED CT core

5399519019 A rare mitochondrial disease characterised by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia. en Definition Active Entire term case sensitive (core metadata concept) SNOMED CT core

4667423010 Neonatal encephalomyopathy, cardiomyopathy, respiratory distress syndrome (disorder) en Fully specified name Active Entire term case insensitive (core metadata concept) SNOMED CT core

4667424016 Neonatal encephalomyopathy, cardiomyopathy, respiratory distress syndrome en Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT core

4667425015 Coenzyme Q4-related neonatal encephalomyopathy en Synonym (core metadata concept) Active Only initial character case insensitive (core metadata concept) SNOMED CT core

4667426019 COQ4-related neonatal encephalomyopathy en Synonym (core metadata concept) Active Entire term case sensitive (core metadata concept) SNOMED CT core

Expanded Value Set

Outbound Relationships	Type	Target	Active	Characteristic	Refinability	Group	Values
A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.	Is a	Disorder of nerve due to metabolic disease (disorder)	true	Inferred relationship	Some
A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.	Is a	Cardiovascular system hereditary disorder	true	Inferred relationship	Some
A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.	Is a	Hereditary disorder of musculoskeletal system	true	Inferred relationship	Some
A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.	Is a	Hereditary disorder of nervous system	true	Inferred relationship	Some
A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.	Is a	Neonatal cardiovascular disorder	true	Inferred relationship	Some
A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.	Is a	Mitochondrial encephalomyopathy (disorder)	true	Inferred relationship	Some
A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.	Is a	Hypertrophic mitochondrial cardiomyopathy (disorder)	true	Inferred relationship	Some
A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.	Is a	Coenzyme Q10 deficiency (disorder)	true	Inferred relationship	Some
A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.	Is a	Neonatal metabolic disorder (disorder)	true	Inferred relationship	Some
A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.	Is a	Central nervous system complication	true	Inferred relationship	Some
A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.	Due to	Mitochondrial cytopathy	true	Inferred relationship	Some	5
A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.	Finding site	Nerve structure	true	Inferred relationship	Some	4
A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.	Occurrence	Neonatal	true	Inferred relationship	Some	2
A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.	Finding site	Brain structure	true	Inferred relationship	Some	2
A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.	Occurrence	Neonatal	true	Inferred relationship	Some	3
A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.	Finding site	Skeletal muscle structure	true	Inferred relationship	Some	3
A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.	Finding site	Myocardium structure	true	Inferred relationship	Some	1
A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.	Associated morphology	Hypertrophy	true	Inferred relationship	Some	1
A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.	Is a	Secondary myopathy	true	Inferred relationship	Some

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Id	Description	Lang	Type	Status	Case?	Module
5399518010	A rare mitochondrial disease characterized by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.	en	Definition	Active	Entire term case sensitive (core metadata concept)	SNOMED CT core
5399519019	A rare mitochondrial disease characterised by neonatal onset of severe cardiac and/or neurologic signs and symptoms mostly associated with a fatal outcome in the neonatal period or in infancy, although a milder phenotype with later onset and slowly progressive neurologic deterioration has also been reported. Clinical manifestations are variable and include respiratory insufficiency, hypotonia, cardiomyopathy, and seizures. Serum lactate is elevated in most cases. Brain imaging may show cerebellar atrophy or hypoplasia.	en	Definition	Active	Entire term case sensitive (core metadata concept)	SNOMED CT core
4667423010	Neonatal encephalomyopathy, cardiomyopathy, respiratory distress syndrome (disorder)	en	Fully specified name	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
4667424016	Neonatal encephalomyopathy, cardiomyopathy, respiratory distress syndrome	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
4667425015	Coenzyme Q4-related neonatal encephalomyopathy	en	Synonym (core metadata concept)	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT core
4667426019	COQ4-related neonatal encephalomyopathy	en	Synonym (core metadata concept)	Active	Entire term case sensitive (core metadata concept)	SNOMED CT core