echocardiography: dehisced sewing ring of prosthetic right atrioventricular valve
echocardiography: dehisced sewing ring of prosthetic right atrioventricular valve
echocardiography: dehisced sewing ring of prosthetic right atrioventricular valve (procedure)
echocardiography: dehisced sewing ring of prosthetic right atrioventricular valve (procedure)