User's Manual

Acclarix AX8 Diagnostic Ultrasound System User Manual Features
- 68 -
 HR
NOTE: Measure Auto trace can only be active in image frozen status. Live auto trace is
available as a separate feature from the Doppler touch screen.
HR：The HR measurement can provide the heart rate calculation by measured the time of the
heart beat cycles.
To use the HR measurement：
1. Invoke the Measure Function on a Doppler strip.
2. If HR is not the default measurement, select HR from the touch screen.
3. Move the caliper to position the first heart beat. Press the Set key to activate a second
caliper.
4. Move the second caliper to position the next beat.
5. Press the Enter key to complete or press the Set key to switch moving the first caliper.
6. The HR measurement can display the following result(the actual results shown will
depend on the preset):
 HR
RI: The RI measurement can measure the PS and ED to calculate the result of RI and S/D.
To use the RI measurement：
1. Invoke the Measure Function on a Doppler strip.
2. If RI is not the default measurement, select RI from the touch screen.
3. Move the caliper to position the PS point. Press the Set key to activate a second caliper.
4. Move the second caliper to position the ED point.
5. Press the Enter key to complete or press the Set key to switch moving the first caliper.
6. The RI measurement can display the following results (the actual results shown will
depend on the preset):
 PS
 ED
 RI
 S/D
7.3.1.3. M-mode Generic Measurements
The Acclarix AX8 supports the following types of generic M-mode measurements:
 Caliper
 HR (Heart Rate)
Caliper: The Caliper measurement can provide a wide range of results.
To use the Caliper measurement:
1. Invoke the Measure Function on an M-mode strip. A caliper measurement is automatically
invoked. It displays the Depth at the current location.
2. Move the Caliper to the desired location.