86 Chapter 4: Measurements and Calculations
Meas. & Calcs
OB Calculation
1 Select OB exam type, and enter either the LMP or Estab.DD in the
patient information form.
2 On a frozen 2D image, press the Calcs key.
3 Highlight the desired measurement from the calculations menu and
press the Select key.
For twin calculations, select Twin A or Twin B and then highlight the
desired measurement from the calculations menu and press the
Select key.
As you navigate through the measurements on the calculation menu,
the caliper tool may change. However, the caliper position remains.
4 Perform the measurement.
5 Select Save from the on-screen menu, or press the Enter key to save
the measurement to the patient report.
For each 2D OB measurement (except AFI), the system stores up to
three individual measurements and their average. If more than three
measurements are made, the oldest measurement is deleted.
The average measurement and ultrasound age are 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.
6 Highlight the next measurement and press the Select key.
7 Repeat these steps until all measurements have been performed.
View or Repeat
Saved
Measurement
1 Use the touchpad to highlight the desired measurement from the
calculations menu.
The saved measurement is shown at the bottom of the calculation
menu.
2 Press Select key or the Caliper key to select the measurement.
3 Repeat the measurement.
The new results are displayed in the measurement and calculation
data area. You can compare the active measurement to the saved
measurement.
4 To save a new measurement, select Save from the on-screen menu, or
press the Enter key.
Note: For measurements that are not averaged, this will save the new
measurement to the patient report and overwrite the previously saved
measurement.
Delete
Measurement
1 Use the touchpad to highlight the measurement.
2 Select Delete from the on-screen menu.
This will remove the last saved measurement from the patient report.
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