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 (procedure)
echocardiography: circumferential perivalvular regurgitation of prosthetic left atrioventricular valve (procedure)