echocardiography: localized paravalvular regurgitation of prosthetic left atrioventricular valve
echocardiography: localized paravalvular regurgitation of prosthetic left atrioventricular valve
echocardiography: localized paravalvular regurgitation of prosthetic left atrioventricular valve
echocardiography: localized paravalvular regurgitation of prosthetic left atrioventricular valve