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