echocardiography: high frequency diastolic turbulence of common atrioventricular valve
echocardiography: high frequency diastolic turbulence of common atrioventricular valve
echocardiography: high frequency diastolic turbulence of common atrioventricular valve (procedure)
echocardiography: high frequency diastolic turbulence of common atrioventricular valve (procedure)