
Operation Manual
5-6
Color/Power Doppler Mode
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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.
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It is not recommended to use images in Color/Power Doppler Mode for measurement of accurate
blood ow velocity.
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The amount of blood ow is calculated based on the average velocity rather than the peak velocity.
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In all applications, the amount of blood ow is measured in PW Spectral Doppler Mode.
Cursor Position
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All measurements are aected by input data.
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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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