echocardiography: dehisced sewing ring of prosthetic common atrioventricular valve
echocardiography: dehisced sewing ring of prosthetic common atrioventricular valve
echocardiography: dehisced sewing ring of prosthetic common atrioventricular valve
echocardiography: dehisced sewing ring of prosthetic common atrioventricular valve