title: Chronic mitral regurgitation of unresolved etiology in the elderly. A clinico-pathologic study of two patients.
mesh_terms: D000368:Aged; D006332:Cardiomegaly / Q000473:pathology; D002908:Chronic Disease; D003331:Coronary Vessels / Q000473:pathology; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000000981:diagnostic imaging / Q000209:etiology* / Q000473:pathology; D010210:Papillary Muscles / Q000473:pathology; D010701:Phonocardiography; D011859:Radiography