Echocardiography in chronic rheumatic mitral valve disease.
D002908:Chronic Disease; D004452:Echocardiography; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000175:diagnosis / Q000209:etiology; D008946:Mitral Valve Stenosis / Q000175:diagnosis* / Q000209:etiology / Q000473:pathology; D012214:Rheumatic Heart Disease / Q000150:complications*