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Measurement
Diameter Stenosis Rate and Area Stenosis Rate Measurements
Diameter stenosis rate and area stenosis rate can be set in the Preset or
through the soft menu; refer to distance measurement and ellipse area mea-
surement for its measurement methods, which will not be repeated here.
Volume Measurement
Press the toggle Volume and five volume measurement methods will ap-
pear, as shown below (Refer to the following figure):
Rev 1.00
Figure 7-46: Volume Measurement Main Menu
Ellipse + Distance method
Access the measurement menu.
STEP 1
Select the toggle Volume, and then select Ellipse + Distance.
STEP 2
Use the trackball and press the Set key on the control panel to
STEP 3
position and fix the mark. press Set key to position an axis of
the ellipse.
Use the trackball and press the Set key on the control panel to
STEP 4
adjust the shape of the ellipse along it's second axis.
Roll the trackball and move the caliper to the starting point of
STEP 5
the line segment, then press Set key on the control panel.
Roll the trackball. Move the caliper to the end point of the line
STEP 6
segment, then press Set key on the control panel to complete
the measurement. The measured results will be displayed in
the Measurement result table.
Formula:
Elliptic long axis D1, Elliptic short axis D2, Segment line D3. For-
mula unit: cm.
3-Distance Method
Function: Use the calipers to measure the three distances of D1 length,
D2 width and D3 thickness of elliptical-shaped objects. The results of
these linear measurements will be accordingly displayed in the Mea-
surement result table of the imaging screen. After the thickness is
measured, the volume will be displayed in the Measurement result ta-
ble.
Chapter 7 - System Operation
183
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