echocardiography: circumferential perivalvular regurgitation of prosthetic left atrioventricular valve
echocardiography: circumferential perivalvular regurgitation of prosthetic left atrioventricular valve
echocardiography: circumferential perivalvular regurgitation of prosthetic left atrioventricular valve
echocardiography: circumferential perivalvular regurgitation of prosthetic left atrioventricular valve