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