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