Optimizing the Image
5-90 LOGIQ 7 Online Help
Direction 2392536-100 Rev. 1
Typical exam protocol
A typical examination using PW Doppler Mode might proceed as
follows:
1. Connect the appropriate probe, leaving the probes in their
respective holders.
2. Position the patient for the examination.
3. Press Patient. Enter the appropriate patient data using the
appropriate exam category and worksheet.
4. Select the preset, application and probe to be used.
5. Locate the anatomy to be examined. Get a good B Mode
image. Refer to B-Mode section of this chapter for more
information.
6. Press M/D Cursor to display the sample volume cursor and
gate.
or
Press PW. The PW Doppler spectrum appears and the
system operates in combined B+Doppler Mode. Adjust
Volume to adjust Doppler audio. The Doppler signal is
heard through the speakers.
7. Position the sample volume cursor by moving the Trackball
left and right. Position the sample volume gate by moving
the Trackball up and down. Size the gate by clicking SV
Length.
8. Optimize the PW Doppler spectrum, as necessary. Refer to
the Doppler Optimization section of this chapter for more
information.
9. Press B Pause to toggle between real time B-Mode with
sample volume and spectral display with audio.
10. Sample along the whole length of the vessel. Make sure that
the probe is parallel to flow. Listen, then look, when
positioning the sample volume cursor.
11. Press Freeze to hold the trace in memory and stop imaging.
Activate CINE Timeline, as necessary. See Chapter 6 for
more information.
12. Perform measurements and calculations, as necessary.
Refer to the Measurements and Calculations chapter for
more information.
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