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Measurements and calculations
5-41
To measure gestational growth (2D)
For each 2D Obstetrical measurement (except AFI), the system saves up to three individual measurements
and their average. If you take more than three measurements, the earliest measurement is deleted.
1
Make sure that the Obstetrics exam type is selected.
2
On the patient form, select
LMP
or
EDD
. Select
Twins
if twins.
3
On a frozen 2D image, tap
Calcs
.
If this control is hidden, tapping
More Controls
displays it.
4
Do the following for each measurement you want to take:
a
Select the calculation list that contains the measurement.
For twins, there are two sets of calculation lists: Each list in one set is labeled
Twin A
, and each list in
the other set is labeled
Twin B
.
b
Tap the measurement name.
The caliper tool may change depending on the measurement selected, but the position remains
constant.
c
Position the calipers by dragging.
d
Tap
under the measurement name.
To measure heart rate (M Mode or Doppler)
1
Make sure that the Obstetrics exam type is selected.
2
On a frozen M Mode sweep or Doppler trace, tap
Calcs
.
If this control is hidden, tapping
More Controls
displays it.
3
Tap
HR
on the following calculation list:
For M Mode, the
HR
calculation list (or, if twins, the
Twin A HR
list or
Twin B HR
list).
For Doppler, the
Doppler Measurements
list (or, if twins, the
Twin A Doppler Measurements
list or
Twin B Doppler Measurements
list).
A vertical caliper appears.
4
Drag the vertical caliper to the peak of the heartbeat.
A second vertical caliper appears.
5
Drag the second vertical caliper to the peak of the next heartbeat.
6
Tap
under the measurement name.
To calculate the S/D ratio, RI or PI of the Middle Cerebral Artery (MCA) or Umbilical Artery
Содержание SONOSITE X-PORTE
Страница 1: ...USER GUIDE ...
Страница 75: ...Setting up the system 3 39 ...
Страница 76: ...3 40 Setting up the system ...
Страница 128: ...4 52 Imaging ...
Страница 186: ...5 58 Measurements and calculations ...
Страница 210: ...6 24 Measurement references ...
Страница 234: ...8 16 Cleaning and disinfecting ...
Страница 262: ...9 28 Safety ...
Страница 334: ...10 72 Acoustic output ...
Страница 364: ...B 14 Index printing 5 56 zoom 4 23 ...
Страница 365: ......
Страница 366: ...P14645 05 P14645 05 ...