68 Chapter 4: Measurements and Calculations
Meas. & Calcs
Doppler Measurements
Note: The Doppler scale must be set to cm/s for the following measurements. See “System Setup” on
page 21.
Figure 3 Doppler Trace with Two Velocity Measurements
Velocity (cm/s),
Pressure Gradient
1 On a frozen Doppler spectral trace, press the Caliper key.
A single caliper is displayed on the screen with the following
on-screen menu options:
First caliper
Second caliper
Manual
Delete
2 Use the touchpad to position the active green caliper to a peak systolic
wave form.
This is a single caliper from the baseline.
The results are displayed in the measurement and calculation data
area. They are updated as the caliper moves and are completed when
you finish moving the calipers.
3 If desired, press the Save key to save the image with the
measurements displayed.
Note: The measurements cannot be saved to the patient report.
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