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The measurement
9.
display on the spec-
10. Repeat steps 5 through 8 to make additional
trum and the corre-
sponding result are
numbered.
Manual Doppler trace measurements
Adjust Compress
1.
and reject controls
2.
to optimize the
3.
Doppler signal.
4.
5.
6.
7.
The measurement
8.
display color on
spectrum changes
from green to red af-
ter completion of
the measurement.
9.
10. Press the
Automatic Doppler trace measurements
Adjust Compress
1.
and reject controls
2.
to optimize the
3.
Doppler signal.
4.
5.
Vivid i User's Manual
2378958-100 Rev. 02
anchor point position
• Time difference (dT) between anchored points position
To assign a label to the measurement, see page 115.
measurements.
Generate the spectrum to be measured.
Press
to stop the cineloop.
FREEZE
Press
on the Control Panel.
MEASURE
Select Manual trace in the Measurement Menu.
A vertical green cursor is displayed on the spectrum.
Trackball the cursor to the start point on the left side of the
trace.
Press
to anchor the start point of the measurement.
SET
With the trackball, trace the Doppler envelope.
The trace can be adjusted, while tracing, by moving the
cursor backward to erase portion of the trace (or the entire
trace) and then create the trace again.
Press
to complete the trace.
SET
The following measurement results are displayed in the
Measurement result table:
• Maximum and mean Velocities
• Maximum and mean pressures
• Env. Ti
• Velocity time integral (VTI)
Trackball the cursor to the start point of the next heart beat.
to anchor the next heart beat starting point.
SET
The heart rate (BPM) is displayed in the Measurement
result table.
Generate the spectrum to be measured.
Press
to stop the cineloop.
FREEZE
Press
on the Control Panel.
MEASURE
Select Auto Trace in the Measurement Menu.
A vertical green cursor is displayed on the spectrum.
Trackball the cursor to the starting point.
Measurement and Analysis
125
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