| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Cardiac portal cirrhosis | Finding site | False | Cardiac ventricular structure | Inferred relationship | Some |  | 
| Ruptured heart aneurysm repair | Procedure site | False | Cardiac ventricular structure | Inferred relationship | Some |  | 
| Infarct myocardiectomy | Procedure site | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Congestive heart failure | Finding site | True | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Ventricular fibrillation and flutter NOS | Finding site | False | Cardiac ventricular structure | Inferred relationship | Some |  | 
| Congenital abnormality of cardiac ventricle | Finding site | True | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Left hand pattern ventricular topology | Finding site | True | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Right hand pattern ventricular topology | Finding site | True | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Acquired narrowing of constructed cardiac intraventricular tunnel | Finding site | True | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Repair of double inlet ventricle | Procedure site | True | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Initial implantation of electrode into cardiac atrium and ventricle | Procedure site - Direct | True | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Ventricular restoration procedure of heart using prosthetic patch graft | Procedure site - Direct | True | Cardiac ventricular structure | Inferred relationship | Some | 2 | 
| Implantation of thoracic artery into ventricle | Procedure site - Indirect | True | Cardiac ventricular structure | Inferred relationship | Some | 2 | 
| Mural thrombus of ventricle of heart | Finding site | True | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Ventricular thrombus following acute myocardial infarction | Finding site | True | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Structure of atrioventricular septum | Is a | True | Cardiac ventricular structure | Inferred relationship | Some |  | 
| Multiple premature ventricular complexes | Finding site | False | Cardiac ventricular structure | Inferred relationship | Some |  | 
| Run of ventricular premature complexes | Finding site | False | Cardiac ventricular structure | Inferred relationship | Some |  | 
| Ventricular interpolated complexes | Finding site | False | Cardiac ventricular structure | Inferred relationship | Some |  | 
| Multiple ventricular interpolated complexes | Finding site | False | Cardiac ventricular structure | Inferred relationship | Some |  | 
| Ventricular trigeminy | Finding site | False | Cardiac ventricular structure | Inferred relationship | Some |  | 
| Ventricular quadrigeminy | Finding site | False | Cardiac ventricular structure | Inferred relationship | Some |  | 
| Paired ventricular premature complexes | Finding site | False | Cardiac ventricular structure | Inferred relationship | Some |  | 
| Ventricular premature beats | Finding site | False | Cardiac ventricular structure | Inferred relationship | Some |  | 
| Ventricular flutter-fibrillation | Finding site | False | Cardiac ventricular structure | Inferred relationship | Some |  | 
| Bilateral angiocardiography of heart | Procedure site | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Hypertensive heart and renal disease with (congestive) heart failure | Finding site | True | Cardiac ventricular structure | Inferred relationship | Some | 3 | 
| Hypertensive heart and renal disease with both (congestive) heart failure and renal failure | Finding site | True | Cardiac ventricular structure | Inferred relationship | Some | 3 | 
| Structure of endocardium of ventricle | Is a | True | Cardiac ventricular structure | Inferred relationship | Some |  | 
| Benign hypertensive heart disease with congestive cardiac failure | Finding site | True | Cardiac ventricular structure | Inferred relationship | Some | 2 | 
| Construction of intraventricular left ventricle to aorta tunnel | Procedure site | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Construction of intraventricular left ventricle to aorta spiral tunnel | Procedure site | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Repair of double outlet right ventricle | Procedure site | False | Cardiac ventricular structure | Inferred relationship | Some | 2 | 
| Repair of double outlet left ventricle | Procedure site | False | Cardiac ventricular structure | Inferred relationship | Some | 2 | 
| Abnormal relationship of right ventricle to left ventricle | Finding site | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Congenital abnormality of ventricles and ventricular septum | Finding site | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Repair of pulmonary atresia with ventricular septal defect | Procedure site | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Right ventricular structure | Is a | True | Cardiac ventricular structure | Inferred relationship | Some |  | 
| Interventricular septum structure | Is a | True | Cardiac ventricular structure | Inferred relationship | Some |  | 
| Pulseless ventricular tachycardia | Finding site | False | Cardiac ventricular structure | Inferred relationship | Some |  | 
| Transluminal removal of intraventricular pump | Procedure site - Indirect | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Replacement of transvenous ventricular pacemaker electrode leads | Procedure site - Indirect | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Replacement of transvenous atrial and ventricular pacemaker electrode leads | Procedure site - Indirect | True | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Implantation of electrode into cardiac ventricle, replacement | Procedure site - Indirect | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Implantation of electrode into cardiac atrium and ventricle, replacement | Procedure site - Indirect | False | Cardiac ventricular structure | Inferred relationship | Some | 4 | 
| Cardiac ventricular dilatation | Finding site | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Implantation of electrode into cardiac atrium and ventricle, replacement | Procedure site - Indirect | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Implantation of electrode into cardiac atrium and ventricle, replacement | Procedure site - Indirect | False | Cardiac ventricular structure | Inferred relationship | Some | 3 | 
| Ventricular puncture through suture with injection | Procedure site - Direct | False | Cardiac ventricular structure | Inferred relationship | Some | 2 | 
| Ventricular puncture through fontanelle with injection | Procedure site - Direct | False | Cardiac ventricular structure | Inferred relationship | Some | 2 | 
| Puncture of ventricular shunt tubing | Procedure site - Direct | False | Cardiac ventricular structure | Inferred relationship | Some | 3 | 
| Excision of diverticulum of ventricle of heart | Procedure site - Direct | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Ventriculopuncture | Procedure site - Direct | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Aneurysmectomy of ventricle of heart | Procedure site - Direct | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Excision of lesion of ventricle of heart | Procedure site - Direct | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Initial implantation of cardiac dual-chamber device | Procedure site - Indirect | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Ventriculopuncture of brain | Procedure site - Direct | False | Cardiac ventricular structure | Inferred relationship | Some | 2 | 
| Structure of myocardium of ventricle | Is a | True | Cardiac ventricular structure | Inferred relationship | Some |  | 
| Tetralogy of Fallot with pulmonary stenosis | Finding site | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Tetralogy of Fallot with pulmonary atresia | Finding site | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Disorder of cardiac ventricle | Finding site | True | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Tetralogy of Fallot | Finding site | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Pentalogy of Fallot | Finding site | False | Cardiac ventricular structure | Inferred relationship | Some | 2 | 
| Dextraposition of aorta in Fallot's tetralogy | Finding site | False | Cardiac ventricular structure | Inferred relationship | Some | 2 | 
| Tetralogy of Fallot NOS | Finding site | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Tetralogy of Fallot, unspecified | Finding site | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Tetralogy of Fallot with absent pulmonary valve | Finding site | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Implantation of electrode into cardiac atrium and ventricle, replacement | Procedure site - Indirect | False | Cardiac ventricular structure | Inferred relationship | Some | 3 | 
| Implantation of electrode into cardiac atrium and ventricle, replacement | Procedure site - Indirect | False | Cardiac ventricular structure | Inferred relationship | Some | 2 | 
| Catecholaminergic polymorphic ventricular tachycardia | Finding site | False | Cardiac ventricular structure | Inferred relationship | Some |  | 
| Fluoroscopic cardiac ventriculography | Procedure site - Direct | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| MRI angiography of cardiac ventricles | Procedure site - Direct | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Left ventricular structure | Is a | True | Cardiac ventricular structure | Inferred relationship | Some |  | 
| Implantation of electrode into cardiac atrium and ventricle, replacement | Procedure site - Indirect | False | Cardiac ventricular structure | Inferred relationship | Some | 3 | 
| Implantation of electrode into cardiac atrium and ventricle, replacement | Procedure site - Indirect | False | Cardiac ventricular structure | Inferred relationship | Some | 2 | 
| Implantation of electrode into cardiac atrium and ventricle, replacement | Procedure site - Indirect | True | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Implantation of electrode into cardiac atrium and ventricle, replacement | Procedure site - Indirect | False | Cardiac ventricular structure | Inferred relationship | Some | 2 | 
| Both cardiac ventricles | Is a | False | Cardiac ventricular structure | Inferred relationship | Some |  | 
| Intraventricular pump support operation | Procedure site - Indirect | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Transluminal insertion of intraventricular pump | Procedure site - Indirect | True | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Transluminal maintenance of intraventricular pump | Procedure site - Indirect | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| VAD - Implantation of ventricular assist device | Procedure site - Indirect | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Intraventricular operation for transposition or double outlet ventricle | Procedure site - Direct | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Construction of intraventricular left ventricle to aorta tunnel | Procedure site - Direct | True | Cardiac ventricular structure | Inferred relationship | Some | 3 | 
| Construction of intraventricular left ventricle to aorta spiral tunnel | Procedure site - Direct | True | Cardiac ventricular structure | Inferred relationship | Some | 3 | 
| Repair of double outlet right ventricle | Procedure site - Direct | False | Cardiac ventricular structure | Inferred relationship | Some | 2 | 
| REV operation | Procedure site - Direct | True | Cardiac ventricular structure | Inferred relationship | Some | 5 | 
| Insertion of epicardial electrode for temporary cardiac pacing | Procedure site - Indirect | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Cardiac ventriculography | Procedure site - Direct | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Radionuclide cardiac shunt study | Procedure site - Direct | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Ventriculography of right and left heart | Procedure site - Direct | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Plication of ventricle of heart | Procedure site - Direct | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Echocardiography for determining ventricular contraction | Procedure site - Direct | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Implantation of heart auxiliary ventricle | Procedure site - Indirect | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Implantation of thoracic artery into ventricle | Procedure site - Indirect | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Monitoring of cardiac ventricular pressure | Procedure site - Direct | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Radionuclide cardiac ventriculography | Procedure site - Direct | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Initial implantation of electrode into cardiac atrium and ventricle | Procedure site - Indirect | False | Cardiac ventricular structure | Inferred relationship | Some | 2 | 
| Replacement of temporary transvenous pacemaker system | Procedure site - Indirect | True | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Bilateral angiocardiography of heart | Procedure site - Direct | False | Cardiac ventricular structure | Inferred relationship | Some | 1 | 
| Repair of pulmonary atresia with ventricular septal defect | Procedure site - Direct | False | Cardiac ventricular structure | Inferred relationship | Some | 2 |