[Apexcardiograms in valvular lesions].
D004562:Electrocardiography; D006330:Heart Defects, Congenital; D006331:Heart Diseases; D006334:Heart Function Tests; D006351:Heart Valves; D006801:Humans; D010701:Phonocardiography
ELECTROCARDIOGRAPHY; HEART DEFECTS, CONGENITAL; HEART DISEASES; HEART FUNCTION TESTS; HEART VALVES; PHONOCARDIOGRAPHY