Aetiology and mechanism of mitral regurgitation
| Aetiology | ||
|---|---|---|
| Mechanism | Non-ischaemic | Ischaemic |
| Organic | Rheumatic, prolapse, flail leaflet, endocarditis, etc | Ruptured papillary muscle |
| Functional | Cardiomyopathy | Post-myocardial infarction functional mitral regurgitation |