| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Third heart sound, S>3<, function | Is a | True | Heart sounds | Inferred relationship | Existential restriction modifier |  | 
| Second heart sound, S>2<, function | Is a | True | Heart sounds | Inferred relationship | Existential restriction modifier |  | 
| First heart sound, S>1<, function | Is a | True | Heart sounds | Inferred relationship | Existential restriction modifier |  | 
| Fourth heart sound, S>4<, function | Is a | True | Heart sounds | Inferred relationship | Existential restriction modifier |  | 
| Third sound gallop | Interprets | False | Heart sounds | Inferred relationship | Existential restriction modifier | 1 | 
| Heart sounds abnormal | Interprets | False | Heart sounds | Inferred relationship | Existential restriction modifier | 1 | 
| Abnormal third heart sound, S>3< | Interprets | False | Heart sounds | Inferred relationship | Existential restriction modifier | 1 | 
| Abnormal first heart sound, S>1< | Interprets | False | Heart sounds | Inferred relationship | Existential restriction modifier | 1 | 
| Abnormal second heart sound, S>2< | Interprets | False | Heart sounds | Inferred relationship | Existential restriction modifier | 1 | 
| Abnormal fourth heart sound, S>4< | Interprets | False | Heart sounds | Inferred relationship | Existential restriction modifier | 1 | 
| Heart sounds abnormal | Interprets | True | Heart sounds | Inferred relationship | Existential restriction modifier | 1 | 
| On examination - heart sounds exaggerated | Interprets | False | Heart sounds | Inferred relationship | Existential restriction modifier | 1 | 
| Heart sounds exaggerated | Interprets | False | Heart sounds | Inferred relationship | Existential restriction modifier | 1 | 
| Heart sounds exaggerated | Interprets | True | Heart sounds | Inferred relationship | Existential restriction modifier | 1 | 
| On examination - heart sounds exaggerated | Interprets | False | Heart sounds | Inferred relationship | Existential restriction modifier | 1 |