[Methods in cardiac diagnosis].
D006328:Cardiac Catheterization; D004562:Electrocardiography; D006321:Heart; D006331:Heart Diseases / Q000175:diagnosis*; D006801:Humans; D010701:Phonocardiography; D014672:Vectorcardiography
ELECTROCARDIOGRAPHY; HEART CATHETERIZATION; HEART DISEASES/diagnosis; PHONOCARDIOGRAPHY; VECTORCARDIOGRAPHY