FujiFilm SonoSite M-Turbo User Manual page 62

To measure Velocities, Elapsed Time, +/x
Ratio, Resistive Index (RI), and Acceleration
(Doppler)
1 On a frozen Doppler spectral trace, press the
key.
CALIPER
A single caliper appears.
2 Using the touchpad, position the caliper to a
peak systolic waveform.
3 Press the key.
SELECT
A second caliper appears.
4 Using the touchpad, position the second
caliper at the end diastole on the waveform.
See "To save a measurement to a calculation and
patient report" on page 47.
To measure time duration (Doppler)
1 On a Doppler spectral trace, press the
key.
2 Press Time on‐screen.
A vertical caliper appears.
3 Using the touchpad, position the caliper
where desired, and press the
A second caliper appears.
4 Using the touchpad, position the second
caliper where desired, and press the
key.
To trace manually (Doppler)
1 On a frozen Doppler spectral trace, press the
key.
CALIPER
2 Select Manual on‐screen.
A single caliper appears.
3 Using the touchpad, position the caliper at the
beginning of the desired waveform, and press
the key.
SELECT
If calipers are not positioned correctly, the
result is inaccurate.
50 Measurements
4 Using the touchpad, trace the waveform.
5 Press the
See "To save a measurement to a calculation and
patient report" on page 47.
To trace automatically (Doppler)
After tracing automatically, confirm that the
system‐generated boundary is correct. If you are
not satisfied with the trace, obtain a high‐quality
Doppler spectral trace image, or trace manually.
(See "To trace manually (Doppler)" on page 50.)
1 On a frozen Doppler spectral trace, press the
CALIPER
2 Select Auto on‐screen.
3 Using the touchpad, position the caliper at the
key.
SELECT
4 Press the
SELECT
5 Using the touchpad, position the second
6 Press the
See "To save a measurement to a calculation and
patient report" on page 47.
Automatic trace results
Depending on the exam type, the results from
automatic tracing include the following:
• Velocity Time Integral (VTI)
• Peak Velocity (Vmax)
To make a correction, select Undo on‐screen,
backtrack with the touchpad, or press the
key.
BACKSPACE
key.
SET
The measurement results appear.
key.
CALIPER
A vertical caliper appears.
beginning of the waveform.
If calipers are not positioned correctly, the
calculation result is inaccurate.
key.
SELECT
A second vertical caliper appears.
caliper at the end of the waveform.
key.
SET
The measurement results appear.