Mitral regurgitation classification
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Rim Halaby, M.D. [2]
Overview
Mitral regurgitation (MR) can be classified into either acute or chronic according to the acuity of the events leading to the valvular abnormality. Chronic MR is further classified into primary or secondary based on the presence or absence of one or more abnormalities in the structures of the valves, respectively.[1]
Classification
| Mitral Regurgitation (MR) | |||||||||||||||||||||
| Acute MR | Chronic MR | ||||||||||||||||||||
| Primary MR (Degenerative) Due to the disruption of at least one of the valvular structures as a result of any of the following:
| Secondary MR (Functional) Due to a functional abnormality with a preserved normal structure of the mitral valve as a result of any of the following: | ||||||||||||||||||||
References
- ↑ Nishimura RA, Otto CM, Bonow RO, Carabello BA, Erwin JP, Guyton RA; et al. (2014). "2014 AHA/ACC Guideline for the Management of Patients With Valvular Heart Disease: executive summary: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines". Circulation. 129 (23): 2440–92. doi:10.1161/CIR.0000000000000029. PMID 24589852.