EDAN Acclarix AX4 User Manual page 83

Acclarix AX4 Diagnostic Ultrasound System User Manual
 TAMax
 PGmax
 PGmean
 PI
 RI
 S/D
 VTI
 Time
 AT
 DT
NOTE: Measure trace can only be activated on a frozen image.
Auto Trace: Auto Trace is capable of measuring the maximum and/or mean blood flow on a
frozen Doppler strip. Each result that it calculates is associated with either the maximum or the
mean value. To activate Auto Trace in real time mode, press Auto Trace button on PW touch
screen.
To use the Auto Trace measurement:
1. Invoke the Measure Function on a Doppler strip.
2. If Auto Trace is not the default measurement, select Auto Trace from the touchscreen.
The trace waveform(s) automatically appear. If any maximum-related results are enabled
then the maximum value waveform is displayed on the Doppler strip. If any mean-related
results are enabled then the mean value waveform is displayed.
3. The Trace measurement may display the following results (the actual results shown will
depend on the preset):
 PS
 ED
 MD
 TAMax
 TAMean
 PGmax
 PGmean
 PI
 RI
 S/D
 VTI
 Time
 AT
 DT
 HR
NOTE: Measure Auto trace can only be activated on a frozen Doppler strip. Live Auto
Trace is available as a separate feature on the Doppler touch screen.
HR: The HR measurement tool can provide the heart rate calculation.
To use the HR measurement tool：
1. Invoke the MeasureFunction on a Doppler strip.
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Features