echocardiography: systolic turbulence of prosthetic common atrioventricular valve
echocardiography: systolic turbulence of prosthetic common atrioventricular valve
echocardiography: systolic turbulence of prosthetic common atrioventricular valve (procedure)
echocardiography: systolic turbulence of prosthetic common atrioventricular valve (procedure)