Ann Card Anaesth Close
 

Figure 14: The transgastric long axis view and the CW Doppler applied through the stenosed calcific aortic valve displays a typical 'filled-in' velocity envelope. By tracing the velocity signal the VTI, peak, and mean gradient are calculated

Figure 14: The transgastric long axis view and the CW Doppler applied through the stenosed calcific aortic valve displays a typical 'filled-in' velocity envelope. By tracing the velocity signal the VTI, peak, and mean gradient are calculated