Acclarix AX8/Acclarix AX7 Diagnostic Ultrasound System User Manual Measurements and Reports
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the Tool Options paddle key.
8.2.3.1. Auto OB Measurement
Auto OB is a method designed to measure BPD, HC, HUM and FL automatically.
To use Auto OB measurement:
1. Select OB exam preset and perform image scanning in B mode.
2. Freeze the image when a standard fetal image is obtained.
3. Press <Measure> key on the console.
4. Select the desired measurement item BPD, HC, HUM or FL on the touch screen.
5. If Auto is not the default tool, press Tool Options to switch to Auto.
6. The auto measurement process starts. The result is displayed on the main screen.
7. If you are not satisfied with the measurement result, press <Update> key to switch the active
caliper and use trackpad to do manual correction.
8. Double press <Set> key to complete measurement.
WARNING
1. The fetal image for Auto OB measurement should be standard enough, otherwise the
measurement accuracy may be affected. When no valid fetal image is recognized, the system will
prompt you with "This measurement tool is unavailable."
2. Auto OB measurement is only available on a frozen image.
3. The measurement result of Auto OB is for reference only. The measurement accuracy depends
on the quality of fetal image.
8.2.3.2. Auto NT Measurement
Auto NT is a method designed to measure the Nuchal Translucency automatically.
To use Auto NT measurement:
1. Select Early OB exam preset and perform image scanning in B mode.
2. Freeze the image when a standard fetal image is obtained.
3. Press <Measure> key on the console.
4. Select the measurement item NT on the touch screen.
5. If Auto is not the default tool, press Tool Options to switch to Auto.
6. The auto measurement process starts. The result is displayed on the main screen.
7. If you are not satisfied with the measurement result, press <Update> key to switch the active
caliper and use trackpad to do manual correction.
8. Double press <Set> key to complete measurement.
WARNING
1. The fetal image for Auto NT measurement should be standard enough, otherwise the
measurement accuracy may be affected. When no valid fetal image is recognized, the system will
prompt you with "This measurement tool is unavailable."
2. Auto NT measurement is only available on a frozen image.
3. The measurement result of Auto NT is for reference only. The measurement accuracy depends
on the quality of fetal image.
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