echocardiography: diastolic regurgitant time-velocity integral (TVI) of prosthetic aortic valve
echocardiography: diastolic regurgitant time-velocity integral (tvi) of prosthetic aortic valve
echocardiography: diastolic regurgitant time-velocity integral (TVI) of prosthetic aortic valve (procedure)
echocardiography: diastolic regurgitant time-velocity integral (tvi) of prosthetic aortic valve (procedure)