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