Echocardiography.
D001024:Aortic Valve Stenosis / Q000175:diagnosis; D004452:Echocardiography / Q000295:instrumentation; D005069:Evaluation Studies as Topic; D006325:Heart Atria; D006330:Heart Defects, Congenital / Q000175:diagnosis; D006331:Heart Diseases / Q000175:diagnosis; D006338:Heart Neoplasms / Q000175:diagnosis; D006801:Humans; D008722:Methods; D008946:Mitral Valve Stenosis / Q000175:diagnosis; D009232:Myxoma / Q000175:diagnosis; D010490:Pericardial Effusion / Q000175:diagnosis; D010701:Phonocardiography; D011187:Posture