FujiFilm SonoSite Edge II User Manual page 97

2 Using the touchpad, position the caliper at the aortic valve closure.
3 Press the SELECT key. A second vertical caliper appears.
4 Using the touchpad, position the second caliper at onset of mitral inflow.
5 Save the calculation as described in
To calculate Delta Pressure: Delta Time (dP:dT)
To perform the dP:dT measurements, the CW Doppler scale must include velocities of 300 cm/s or greater on
the negative side of the baseline. See
1 On a frozen CW Doppler spectral trace, press the CALCS key.
2 From the calculations menu, select MV, and then select dP:dT.
A horizontal dotted line with an active caliper appears at 100 cm/s.
3 Position the first caliper along the waveform at 100 cm/s.
4 Press the SELECT key.
A second horizontal dotted line with an active caliper appears at 300 cm/s.
5 Position the second caliper along the waveform at 300 cm/s.
6 Save the calculation as described in
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, measure from LVOT:
a On a frozen 2D image, press the CALCS key.
b From the calculations menu, select LVOT D.
c Position the calipers.
d Save the calculation as described in
Exam-based calculations
"To save a calculation"
"Spectral trace controls"
"To save a calculation"
"To save a calculation"
on page 74.
on page 43.
on page 74.
on page 74.
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