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Measurements and Patient Worksheets (Reports)
11.2.4.17 Distance Measurements
Note
11-50
1.
Press the [Calc] key on the control panel.
2.
Select the [Meas. Applicat.] key
3.
Select [Fetal Echo]
4.
Select a study for the corresponding item. For example: select [Aortic arch].
5.
Select the desired measurement parameter. For example: select [Anulus].
6.
Use the trackball to move the cursor to the start point of the measurement and press the
right or left trackball key [Set] to fix the marker. A second cursor appears.
7.
Move the second cursor to the second point of the measurement and press [Set] again.
To re-adjust the start point, press the upper trackball key [Change] before completing the
measurement. This alternates the control from one cursor to the other.
8.
If necessary, choose another measurement parameter and continue with steps 6, 7 and
8 until you have taken enough measurements.
REFERENCE: Schneider C. et. al., "Development of Z-scores for fetal cardiac dimensions
from echocardio-graphy", Ultrasound Obstet Gynecol. Vol. 26, 2005, pages 599-605.
Fomulas:
Z-scores = (ln(actual) - ln(predicted cardiac dimensions)) / Root MSE
ln (predicted cardiac dimensions) = m.ln(FL, GA or BPD) + c
Voluson® S6/S8 Basic User Manual
5433669-100 Revision 4
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