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5-32
Measurements and calculations
5
Save the calculation: Tap
under the measurement name.
To calculate Aortic Valve Area (AVA)
The AVA calculation requires a measurement in 2D and two measurements in Doppler. After the
measurements are saved, the result appears in the patient report.
1
In 2D:
a
On a frozen 2D image, tap
Calcs
.
If this control is hidden, tapping
More Controls
displays it.
b
On the
AV/LVOT/AI
calculation list, tap
LVOT D
.
c
Position the calipers by dragging.
d
Save the calculation: Tap
under the measurement name.
2
In Doppler, measure either LVOT VMax or LVOT VTI.
VMax
- In the
AV/LVOT/AI
calculation list, tap
LVOT
VMax
, position the caliper by dragging, and
then tap
to save the measurement.
VTI
- In the
AV/LVOT/AI
calculation list, tap
LVOT
VTI
, trace the Doppler waveform by dragging, and
then tap
to save the measurement.
3
In Doppler, measure either AV VMax or AV VTI
VMax
- In the
AV/LVOT/AI
calculation list, tap
AV
VMax
, position the caliper by dragging, and then
tap
to save the measurement.
VTI
- In the
AV/LVOT/AI
calculation list, tap
AV
VTI
, trace the Doppler waveform by dragging, and
then tap
to save the measurement.
To calculate Qp/Qs
The Qp/Qs calculation requires two measurements in 2D and two measurements in Doppler. After the
measurements are saved, the result appears in the patient report.
Note
If VTI is chosen, the VMax value derived from the trace is used as input to the AVA
calculation.
Notes
If VTI is chosen, the VMax value derived from the trace is used as input to the
AVA calculation.
If VTI measurements are made for both LVOT and AV, a second AVA result is
provided.
Summary of Contents for SONOSITE X-PORTE
Page 1: ...USER GUIDE ...
Page 75: ...Setting up the system 3 39 ...
Page 76: ...3 40 Setting up the system ...
Page 128: ...4 52 Imaging ...
Page 186: ...5 58 Measurements and calculations ...
Page 210: ...6 24 Measurement references ...
Page 234: ...8 16 Cleaning and disinfecting ...
Page 262: ...9 28 Safety ...
Page 334: ...10 72 Acoustic output ...
Page 364: ...B 14 Index printing 5 56 zoom 4 23 ...
Page 365: ......
Page 366: ...P14645 05 P14645 05 ...