FujiFilm SonoSite X-Porte User Manual page 170

(UmbA) (Doppler)
1 Make sure that the Obstetrics exam type is selected.
2 On the patient form, select LMPor EDD. Select Twins if twins.
3 On a frozen Doppler spectral trace, tap Calcs.
If this control is hidden, tapping More Controls displays it.
4 Do the following for each measurement you need to take:
a On the Doppler Measurements calculations list, tap the measurement name under MCA or UmbA.
b Position the calipers:
For S/D, RI, drag the first caliper to the peak systolic waveform. Tap Next, and then drag the
second caliper to the end diastole on the waveform.
For S/D, RI, PI, drag the caliper to the beginning of the desired waveform, and lift your finger to
start the trace. Trace the desired area. Lift your finger again to finish the trace.
WARNING
5 Save the calculation.
Only one calculation (S/D, RI or S/D, RI, PI) can be saved.
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If calipers are positioned imprecisely, the calculation result is inaccurate.
Measurements and calculations