| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Soft systolic murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Aortic ejection murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 2 | 
| Pulmonary ejection murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Systolic flow murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Mitral late systolic murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 2 | 
| Mitral pansystolic murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 2 | 
| Tricuspid inspiratory pansystolic murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 2 | 
| Left parasternal pansystolic murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 2 | 
| Aortic diastolic murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 2 | 
| Pulmonary diastolic murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Mid-diastolic mitral murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 2 | 
| Mid-diastolic tricuspid murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 2 | 
| Diastolic tricuspid flow murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 2 | 
| Presystolic mitral murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 2 | 
| Presystolic tricuspid murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 2 | 
| Shunt murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur configuration, variable (uneven) | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur pitch, high | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur pitch, medium | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur pitch, low | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur pitch, pure frequency | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur pitch, impure (mixed) frequency | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur quality, harsh | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur quality, musical | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur quality, humming | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur quality, buzzing | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur quality, vibratory | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur quality, twanging | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur quality, blowing | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur quality, rumbling | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur quality, rasping | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur quality, scratchy | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur quality, grating | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur quality, roaring | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur duration, long | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur duration, short | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Atrial septal defect murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 2 | 
| Aortic murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 2 | 
| Heart murmur, categorized by intensity | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur, categorized by timing | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur, categorized by pitch | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur, categorized by quality | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur, categorized by duration | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Cardiac murmur, intensity grade III/VI | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Machinery murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Graham Steell murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Presystolic murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Cardiac murmur, intensity grade IV/VI | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Diastolic murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Systolic murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 2 | 
| Austin Flint murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 2 | 
| Cardiac murmur, intensity grade II/VI | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Cardiac murmur, intensity grade V/VI | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Plateau cardiac murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Crescendo cardiac murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| To-and-fro murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Cardiac murmur, intensity grade I/VI | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur, categorized by configuration | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Continuous murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Functional heart murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 2 | 
| Cardiac murmur, intensity grade VI/VI | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Late systolic murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 2 | 
| Mid-systolic murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Pansystolic murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 2 | 
| Organic heart murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Ejection murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Mid-diastolic murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Crescendo-decrescendo cardiac murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 2 | 
| Decrescendo cardiac murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Early systolic murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Early diastolic murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| On examination - functional cardiac murmur | Interprets | False | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| On examination - systolic murmur at apex | Interprets | False | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| On examination - diastolic murmur at apex | Interprets | False | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| On examination - aortic systolic murmur | Interprets | False | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| On examination - aortic diastolic murmur | Interprets | False | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| On examination - pulmonary systolic murmur | Interprets | False | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| On examination - pulmonary diastolic murmur | Interprets | False | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| On examination - tricuspid murmur | Interprets | False | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| On examination - machinery murmur | Interprets | False | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| On examination - cardiac murmur | Interprets | False | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| On examination - aortic murmur | Interprets | False | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| On examination - diastolic murmur | Interprets | False | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| On examination - pulmonary murmur | Interprets | False | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| On examination - systolic murmur | Interprets | False | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| On examination - cardiac murmur NOS | Interprets | False | Turbulent blood flow | Inferred relationship | Existential restriction modifier |  | 
| Holodiastolic murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 2 | 
| Heart murmur in mother in childbirth | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Heart murmur quality, squeaking | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Late diastolic murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 1 | 
| Neonatal innocent cardiac murmur | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 2 | 
| Systolic murmur at apex of heart | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 2 | 
| Diastolic murmur at apex of heart | Interprets | True | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 2 | 
| On examination - cardiac murmur NOS | Interprets | False | Turbulent blood flow | Inferred relationship | Existential restriction modifier |  | 
| On examination - mid-systolic ejection murmur (finding) | Interprets | False | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 5 | 
| On examination - late systolic murmur (finding) | Interprets | False | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 5 | 
| On examination - pansystolic murmur (finding) | Interprets | False | Turbulent blood flow | Inferred relationship | Existential restriction modifier | 5 | 
| On examination - mid-systolic ejection murmur (finding) | Interprets | False | Turbulent blood flow | Inferred relationship | Existential restriction modifier |  | 
| On examination - pansystolic murmur (finding) | Interprets | False | Turbulent blood flow | Inferred relationship | Existential restriction modifier |  | 
| On examination - late systolic murmur (finding) | Interprets | False | Turbulent blood flow | Inferred relationship | Existential restriction modifier |  |