Doppler echocardiography: prosthetic aortic valve area by time-velocity integral (TVI) index at end of expiration
doppler echocardiography: prosthetic aortic valve area by time-velocity integral (tvi) index at end of expiration
Doppler derived prosthetic aortic valve area by TVI index at end of expiration
doppler derived prosthetic aortic valve area by tvi index at end of expiration