Chapter 4: Measurements and Calculations 77
Meas. & Calcs
Volume Flow
Calculation
2D measurement
1 On a frozen full screen 2D image or duplex image, press the Calcs key.
2 Select Volume Flow and highlight D (distance).
3 Perform the measurement.
The selected measurement is displayed in the measurement and
calculation data area and is updated as the caliper moves. The
measurement is complete when you finish moving the calipers.
4 Select Save from the on-screen menu, or press the Enter key to save
the measurement to the patient report.
The saved measurement is shown at the bottom of the calculation
menu and a check mark is put in front of the measurement.
Note: The key or Save Key can be assigned in system setup to save
calculations to the report. See “Delta Key” on page 32 or “Save Key” on
page 39.
If desired, press the Save key to save the image with the
measurements displayed.
Volume Flow
Calculation
Doppler measurement
1 On a frozen Doppler spectral trace or duplex image, press the Calcs
key.
2 Use the touchpad to highlight Volume Flow and then highlight TAM.
3 Press the Select key to display the first vertical caliper.
4 Use the touchpad to position the first vertical caliper at the beginning
of the wave form.
5 Press the Select key to display the second vertical caliper.
Note: If calipers are not placed in the correct position, the calculation will
not be performed accurately.
6 Use the touchpad to position the second vertical caliper at the end of
the wave form.
7 Select SET from the on-screen menu to complete the trace and to
display the results.
8 Select Save from the on-screen menu, or press the Enter key to save
the measurement to the patient report.
The saved measurement is shown at the bottom of the calculation
menu and a check mark is put in front of the measurement.
To view the volume flow calculation, go to the report. See “Patient
Report” on page 101.
If desired, press the Save key to save the image with the
measurements displayed.
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