Pediatrics Calculations
LOGIQ 7 Basic User Manual 13-9
Direction 2392206-100 Rev. 1
B-Mode Measurements (continued)
d:D Ratio
Measurement
The d:D Ratio measurement measures the percentage of the
femoral head coverage under the bony roof. To make this
measurement:
Measur
From the Touch Panel, select either the right or left side (orientation) and then
select d:D Ratio.
A horizontal dotted line displays.
Use the Trackball to place the baseline along the ilium. Position the crosshairs
edge at the osseous convexity of the ilium.
Use the Ellipse control or Hip Rotate to adjust or change inclination.
Set
Press Set to fix the baseline.
The system displays a circle representing the femoral head. Use the Trackball
to position the circle.
Use the Ellipse control to size the femoral head circumference.
Set
Press Set to fix the femoral head circumference.
The system displays the d:D ratio for the femoral head in the Results Window.
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