VDO MG 2100 Dokumentacja Pobierz pdf (Strona 264)

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264 VisualSonics Vevo 2100 Imaging System Operator Manual Rev 1.1

Chapter 39: Analyzing PW Doppler Mode and PW Tissue Doppler Mode images

3. Click on your image to place the initial caliper at a specific point on the

waveform.

4. Trackball along the contour of the waveform. The system automatically places

points at the spacing density that you specify in the Auto Point Spacing

section of the Measurement tab in the Preferences window.

5. Right-click to place your final caliper at the end of the last cardiac cycle. 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 VTI #, where # is a sequential number.

The system constrains your VTI measurement to either the top or bottom side of the

baseline, depending on the placement of the initial caliper. The system prevents your

trace from crossing the baseline.

6. If you want to position points more accurately over regions where the signal

changes rapidly, drag them into position.

7. If you want to rename the label and you have selected Show Values and

Labels in the Measurement tab of the Preferences window, type a new name

while the label text is selected, and then click outside the label to commit the

label.

8. If you have selected Show Values and Labels in the Measurement tab of the

Preferences window and you want to move the measurement or move the

label, select either item and then drag and drop it.

Next step

 Reporting your analysis results (page 184)

Related information

 Analyzing image data (page 156)

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