Doppler echocardiography: prosthetic aortic valve area by time-velocity integral (TVI) index
doppler echocardiography: prosthetic aortic valve area by time-velocity integral (tvi) index
Doppler echocardiography: prosthetic aortic valve area by time-velocity integral (TVI) index
doppler echocardiography: prosthetic aortic valve area by time-velocity integral (tvi) index