Measurements In Spectral Doppler Mode; Auto Trace; Manual Trace; Heart Rate - GE Voluson i BT06 Service Manual

GE
D KTI106052, R
IRECTION
4-4-7 Generic Measurements
4-4-7-4

Measurements in Spectral Doppler Mode

NOTE: The Spectral Doppler image is displayed based on time (X-axis) and velocity (Y-axis).
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Auto Trace

1.) Press the CALIPER key.
2.) Select AUTO TRACE item from the menu area on the left side of the screen.
3.) Select the SENS. (Sensitivity) of the envelope curve (to eliminate artifacts).
4.) Select the TRACE channel of the envelope curve (upper, both, lower).
5.) If necessary, select the Angle and the Baseline.
6.) Press the right or left trackball key
Before you complete the measurement:
-
-
NOTE: The determination of the envelope curve requires a clear and low-noise record of the Doppler
spectrum. Otherwise the reliability of the displayed measurement results may not be ensured!
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Manual Trace

1.) Press the CALIPER key.
2.) Select the MANUAL TRACE item from the menu area. A cursor appears on the screen.
3.) Move the cursor with the TRACKBALL to the start point of the measurement and press
4.) Trace to the end of the period and press the
Before you complete the measurement:
To readjust the traced line, press
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Heart Rate

1.) Press the CALIPER key.
2.) Select the HR item from the menu area. A line appears on the screen.
3.) Move the line with the TRACKBALL to the start point of the period and press
4.) Move the second line to the end point of the period.
5.) Select the number of "HR cycles" for the measurement with the digipot.
6.) Press the
NOTE: For further Doppler Measurements and other details refer to the Voluson i / Voluson e Basic User
Manual, Chapter 13
10
EVISION
(cont'd)
It traces the Spectral Doppler image automatically and displays the results.
To readjust the start cycle (vertical yellow line), press
Press (right or left trackball key) to fix the line.
SET
Press the key again to readjust the end cycle (vertical green line).
CHANGE
Press to fix the line.
SET
(right or left trackball key) to fix the marker.
The measurement results appear on the screen.
trackball key). A second line appears.
(right or left trackball key) again to fix the line. The Heart Rate is displayed.
SET
Chapter 4 - Functional Checks
to finish the measurement.
SET
key again to fix the mark.
SET
(upper trackball key) repeatedly.
UNDO
V
OLUSON
S
ERVICE
(upper trackball key).
CHANGE
SET
i / V e
OLUSON
M
ANUAL
SET
(right or left
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