5-6
Operation Manual
Color/Power Doppler Mode
X
A protocol is not specied for images in Color Doppler Mode or Power Doppler Mode. Therefore,
the same limitations imposed when measurements are taken in B/W images apply to the
accuracy of the measurements taken in these modes.
X
It is not recommended to use images in Color/Power Doppler Mode for measurement of accurate
blood ow velocity.
X
The amount of blood ow is calculated based on the average velocity, rather than the peak
velocity.
X
In all applications, the amount of blood ow is measured in PW/CW Spectral Doppler Mode.
Cursor Position
X
All measurements are aected by input data.
X
To ensure accurate positioning of the cursor:
Adjust the images on the screen so that they are displayed at maximum granularity.
Use the front edge or boundary point of a probe to make the start and end points of a
measurement object more distinct.
Make sure that the probe direction is always aligned during measurement.
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