[Echocardiography: its indications and limitations].
D003327:Coronary Disease / Q000175:diagnosis; D004452:Echocardiography; D006330:Heart Defects, Congenital / Q000175:diagnosis; D006331:Heart Diseases / Q000175:diagnosis*; D006349:Heart Valve Diseases / Q000175:diagnosis; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000175:diagnosis; D008946:Mitral Valve Stenosis / Q000175:diagnosis; D011664:Pulmonary Valve