A6T/A6/A5 Portable Ultrasonic Diagnostic System
4701-0040-01A
3-41
3.6.2.1 Basic OB measurement
3.6.2.1.1 GS (Gestational Sac) measurement
Function: Calculate GA (gestational age) based on GS.
Measurement method:
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1. In B mode frozen state, press the【Calc】key to
pop up the Meas & Calc menu. Move the
trackball; use the cursor to select “OB Basic”.
Press the【SET】key to go to the submenu.
Move the trackball to select “GS”. Press the
【SET】key to go to “GS” measurement mode.
2. Measure GS. See “Distance Measurement” for
the detailed method.
3. The GS 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 GS
measurement.