A6T/A6/A5 Portable Ultrasonic Diagnostic System
4701-0040-01A
3-53
3.6.2.2.5 FTA (Fetal Trunk Area) measurement
Function: Calculate GA based on FTA.
Measurement method:
↓
↓
3.6.2.2.6 OOD measurement
Function: Calculate GA based on OOD..
Measurement method:
↓
↓
1. In B mode, scan and freeze the image, press
the【Calc】key to pop up the Meas & Calc
menu, move the trackball, use the cursor to
select “OB Prof”, press the【SET】key to go to
the submenu, move the trackball to select
“FTA”, press the【SET】key to go to “FTA”
measurement mode.
2. Measure FTA. See “Distance Measurement”
for the detailed method.
3. FTA measurement result is displayed in the
result window, meanwhile based on the preset
formula GA is displayed.
4. Repeat steps 1 to 3 to go to the next THD
measurement.
1. In B mode, scan and freeze the image, press
the【Calc】key to pop up the Meas & Calc
menu, move the trackball, use the cursor to
select “OB Prof”, press the【SET】key to go to
the submenu, move the trackball to select
“OOD”, press the【SET】key to go to “OOD”
measurement mode.
2. Based on the pre-selected formula, if the
corresponding measurement item is
measured, then OOD is calculated
automatically, and the result is displayed in the
result window.