echocardiography: low frequency systolic turbulence of prosthetic right atrioventricular valve
echocardiography: low frequency systolic turbulence of prosthetic right atrioventricular valve
echocardiography: low frequency systolic turbulence of prosthetic right atrioventricular valve (procedure)
echocardiography: low frequency systolic turbulence of prosthetic right atrioventricular valve (procedure)