Measurement and Analysis
324 Vivid S5/Vivid S6 User Manual
R2424458-100 Rev. 2
Single diameter parameter measurement
To measure one of the Single-diameter parameters shown in
Table 7-2 above, perform one distance measurement by
completing the following procedure:
1. Press
MEASURE. Use the trackball to select the required
measurement parameter on the right-hand pull-down
menu. Alternatively, use the soft-keys to select the required
measurement parameter.
2. To position the active caliper at the first point, move the
Trackball. To fix the first point, press
SET.
The system fixes the first caliper and a second active
caliper becomes available.
3. To position the second active caliper at the end point, move
the Trackball. A dotted line connects the measurement
points.
4. When the second caliper is moved, the measurement-box
displays the current value of the measured parameter and
the corresponding age, in weeks +days.
5. To complete the measurement, press
SET. A checkmark will
appear by the measured parameter. The second caliper is
anchored, and a third caliper is available for further
measurements.
The system displays the selected Parameter diameter in
the Results Window.
Editing 2D Length measurements
1. While the measurement is on the screen, trackball the
cursor to one of the anchor points of the measurement to
modify.
Table 7-2: Single diameter parameters
Parameter Full name
BPD biparietal diameter
OFD occipitofrontal diameter
TAD transverse abdominal diameter
TCD transverse cerebellar diameter
ThD thorax transverse diameter
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