VDO MG 2100 Specifiche Pagina 335

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Rev 1.1 VisualSonics Vevo 2100 Imaging System Operator Manual 335
Chapter 46: Analyzing Power Doppler Mode images
Related information
Complete procedure for adding a measurement (page 166)
2D Area measurement
2D Area is measured in mm
2
.
f To place a 2D area measurement:
1. Click the 2D area measurement button .
2. Click on your image to place the initial caliper.
3. Trackball along the contour of your target tissue and then right-click to place
your last caliper.
If the position of the trackball cursor is within five pixels of the previous
caliper when the right-click occurs, the system sets the previously placed
caliper as the last caliper and auto-closes the measurement. This feature
applies to 2D area measurements in B-Mode, 3D-Mode, and Contrast Mode as
well as for 3D-Mode volume contours.
4. The system adds the final line segment to connect your last caliper with your
first. If you selected the Show Values and Labels option in the Measurements
tab of the Preferences window, the system displays the measurement value
and editable label for the measurement.
5. If you need to move the entire measurement, click on a measurement line and
then drag and drop it.
Related information
Complete procedure for adding a measurement (page 166)
Angle measurement
Angles report interior angle values and are therefore always less than 180 degrees
Angles are measured in deg.
f To place an angle measurement:
1. Click the angle measurement button .
2. Click on your image to place the initial caliper. This is the outside end of the
first ray of your angle.
3. Trackball to where you want to position the vertex of your angle and then
click to place the caliper. This completes the first ray.
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