title: The present role of Doppler techniques in cardiac diagnosis.
mesh_terms: D001022:Aortic Valve Insufficiency / Q000175:diagnosis; D001024:Aortic Valve Stenosis / Q000175:diagnosis; D001775:Blood Circulation; D001783:Blood Flow Velocity; D004301:Doppler Effect; D004452:Echocardiography / Q000295:instrumentation; D006330:Heart Defects, Congenital / Q000175:diagnosis*; D006331:Heart Diseases / Q000175:diagnosis*; D006337:Heart Murmurs; D006344:Heart Septal Defects, Atrial / Q000175:diagnosis; D006345:Heart Septal Defects, Ventricular / Q000175:diagnosis; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000175:diagnosis; D008946:Mitral Valve Stenosis