Samsung MYSONO U6 Manual de usuario Pagina 211

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Chapter 5 Measurements and Calculations
Calculating Estimated Fetal Weight (EFW)
When measurements for the following items are complete, the system uses the results to automatically
calculate the estimated fetal weight. For an equation for calculating fetal weight, please refer to
‘Estimated Fetal Weight Formula’ in the Reference Manual Part - 1.
X
BPD, AC
X
BPD, FL, FTA
X
BPD, APTD, TTD, FL
X
BPD, APTD, TTD, SL
X
BPD, TTD
X
AC, FL
X
BPD, AC, FL
X
HC, AC, FL
X
BPD, HC, AC, FL
X
AC
Continuous Measurement for EFW Calculation
You can measure OB item(s) continuously for EFW calculation.
Tips!
Before starting measurement:
X
Assigning the User key to EFW Measure makes taking the measurement much easier. Assign the
key from Utility > Setup > User Dened key > User Key Setup. For more information, refer to
the ‘User Defined Keys section in ‘Chapter 7. Utilities’.
X
Check the EFW Reference. You can select or change it from Utility > Measure Setup > OB >
Tables.
NOTE: This function is not available in 3D mode.
Measurement Methods
1. Select EFW in the measurement menu. Alternatively, click the User key if you have assigned the
User key to EFW Measure. The OB measurements are taken.
2. Measure the items for EFW calculation using the trackball and the Set button.
3. The result of the rst measurement is displayed on the screen and the next measurement is
taken.
4. Once all measurements have been taken, the EFW is displayed on the screen.
EFW measurements and their sequence are as follows:
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