VDO MG 2100 Specifiche Pagina 205

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Rev 1.1 VisualSonics Vevo 2100 Imaging System Operator Manual 205
Chapter 34: Analyzing B-Mode images
LV Area long axis measurement
Use the LV wall trace measurement to trace the endocardial wall through
multiple cardiac cycles, semi-automatically or manually.
This is an optional function, and is available only if the Automated LV Analysis
package is purchased.
f To place an LV area long axis measurement semi-automatically:
1. While you view a saved image from the Study Browser or an image that is
acquired but not stored during an image acquisition session, press
Measure
and toggle to view the measurement tools panel.
2. Click the LV area long axis measurement button . The system highlights the
button until you complete your measurement.
3. Click the upper wall of the aortic annulus and then the bottom wall of the
annulus.
The system places a straight line between these points to define the top of the
LV precisely, as shown in the following long axis example.
If you selected the short axis view for analysis, the system does not insert an annulus
line
4. Click a point toward the apex on the interior wall. This creates the basic curve.
5. Continuing to click along the wall to create a contour that traces the area of
the wall.
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