
User Manual
5-14
Doppler Trace
This is a basic measurement that is available in Spectral Doppler Mode only. You can specify a point in a
Spectral Doppler image and trace a curve from that point to calculate the velocity, integral value and aver-
age velocity of blood ow.
1. Press the Sofmenu button [1] Distance to select Doppler Trace. “Doppler Trace” is displayed on the
left side of the screen.
2. Trace a curve. The method for measuring a curve is the same as in “2D Distance (Trace).”
3. When the measurement is nished, its result is shown on the screen.
X
dT: Change in Time
X
VTI: Velocity Time Integral
X
Mean V: Mean Velocity
X
Peak V: Peak Velocity
X
Mean G: Mean Gradient
The equations used for D Trace measurement are as follows:
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