Mitral regurgitation

Rheumatic heart disease due to mitral insufficiency is due to mitral valve damage left after repeated rheumatic inflammation, which causes the valve to become stiff, deformed, and the valve edge curled, and the valve mouth joints are fused and shortened. The shortening, fusion, or rupture of the papillary muscles causes incomplete closure of the mitral valve, which causes a series of changes in hemodynamics.

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