The flail mitral leaflet.
D003971:Diastole; D004452:Echocardiography / Q000379:methods*; D004562:Electrocardiography; D006349:Heart Valve Diseases / Q000175:diagnosis / Q000503:physiopathology; D006801:Humans; D008943:Mitral Valve / Q000503:physiopathology*; D008944:Mitral Valve Insufficiency / Q000503:physiopathology; D013599:Systole