EDAN Acclarix AX4 User Manual page 78

Acclarix AX4 Diagnostic Ultrasound System User Manual
7.3.1.1. B-mode Generic Measurements
The system supports the following types of generic B-mode measurements:
 Distance
 Circ/Area
 Angle
 Volume
 Stenosis
Distance: The distance measurement is always done with a caliper pair.
To measure Distance with a caliper pair:
1. Invoke the measure function on a B-mode image.
2. If Distance is not the default measurement, select Distance from the touchscreen.
3. Move the caliper to the desired location.
4. Press the Set key to place that caliper and add the second half of the caliper pair.
Presses of the Switch key toggle which side of the caliper can be moved. Pressing the Set
key completes the measurement and allows you to begin another measurement.
Circ/Area: Area and Circumference can be measured with an Ellipse, Trace or Spline tool.
To measure Area or Circumference with an Ellipse:
1. Invoke the measure function on a B-mode image.
2. If Area or Circumference is not the default measurement, select Circ/Area from the
touchscreen.
If Ellipse is not the default tool, press Tool Options to switch to Ellipse
3. Move the caliper to the desired location.
4. Press the Set key to place that caliper and add the second half of the caliper pair.
5. Press the Set key to place the second half of the caliper. An ellipse appears and can be
adjusted with the trackpad.
Presses of the Switch key toggle between controlling each side of the ellipse caliper and
the ellipse diameter. Pressing the Set key completes the measurement and allows you to
begin another measurement.
To measure Area or Circumference with a Trace:
1. Invoke the measure function on a B-mode image.
2. If Area or Circumference is not the default measurement, select Circ/Area from the
touchscreen.
If Trace is not the default tool, press Tool Options to switch to Trace. Trace can be done
with a Draw option. Draw will follow your movements.
3. Move the caliper to the desired location.
4. Press the Set key to place the caliper and start drawing the trace.
5. Moving the caliper now leaves behind a trail of dots to mark the trace outline
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