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