EDAN Acclarix AX4, Руководство пользователя

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Acclarix AX4 Diagnostic Ultrasound System User Manual Features
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7.3.2.1. Auto IMT
Intima-media thickness (IMT) is a measurement of the thickness of tunica intima and tunica
media. The system provides an automatic measurement of the Carotid IMT.
Figure 7-6IMT Touch Screen
To measure IMT:
1. Invoke the B-mode Measure Function in Carotid Preset.
2. Select an IMT measurement on the touch screen. A ROI box will be displayed on the
image field.
3. Select the buttons on right side of the touch screen to measure a different position of
carotid artery.
4. Press Update key and use the trackpad to adjust the size of ROI box.
5. Press Update key again to confirm the size of ROI box.
6. Use the trackpad to move the ROI box to desired measurement location, and then the
system automatically displays the IMT measurement results.
7. Press Set or Enter key to complete measurement and save the results in the worksheet.
8. If you are not satisfied with the measurement results, press Tool Options to switch to
Caliper tool and do the IMT measurement manually.
9. The IMT measurement can display the following result:

Max (the maximum value of the IMT results)

Min (the minimum value of the IMT results)

Avg (the average value of the IMT results)

Width (the width of the ROI box)

SD (the Standard Deviation of the IMT results)

Points (the numberof valid points in the IMT results)