title: Echocardiography 1974.
mesh_terms: D001018:Aortic Diseases / Q000175:diagnosis; D001161:Arteriosclerosis / Q000175:diagnosis; D003327:Coronary Disease / Q000175:diagnosis; D004452:Echocardiography / Q000295:instrumentation; D006330:Heart Defects, Congenital / Q000175:diagnosis; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000175:diagnosis; D008946:Mitral Valve Stenosis / Q000175:diagnosis; D010490:Pericardial Effusion / Q000175:diagnosis; D011674:Pulse; D014159:Transducers