Precautions when using a contrast medium:
•
GE Medical Systems is not liable for any damage or injury resulting from improper use of
contrast media.
Handle the contrast medium as described in the operation manual supplied with the
contrast medium.
•
Check the side effects of the contrast medium used with the manufacturer of the contrast
medium.
•
Cavitation may occur due to interactions between the ultrasonic waves and the contrast
medium. Always perform examination using the ALARA (As Low As Reasonably
Achievable) principle. The acoustic power can be changed using the [Power] flip-switch
on the control panel.
•
Stop the examination and perform appropriate treatment, if there is any abnormality with
the patient during use of the contrast medium.
6.8.2 Contrast Techniques
Description Intended Use
Coded Harmonic Angio Vascular, High MI imaging
Coded Phase Inversion
Harmonic - perfusion, Low MI Harmonic
imaging for perfusion, tumor flow
characteristics
Standard Image Switch to standard B-Mode settings
6.8.3 Contrast Operation
The Contrast operation consists of:
•
'Enhance Max (maximum)'
on page 6-36
•
'Contrast Clock'
on page 6-37
•
'Time Delay'
on page 6-37
All further image-optimizing functions are the same than those of the 2D mode. '2D Operation'
on page 6-3
Note
Controls adjusted while in Contrast Imaging retain these values when you exit (except for post-
processing controls). When reactivating Contrast Imaging, the last selected contrast technique
is remembered.
6.8.3.1 Enhance Max (maximum)
This control provides quick transition to High MI imaging. This allows the user a quick one-
button push to destroy the agent. Useful when the user is interested in the bubble wash-in
characteristics of the anatomy being scanned.
Select [Enhance Max] to set the acoustic output to its maximum setting =
100% (On). Select it again to reset the acoustic output to its previous setting
(Off).
2D Mode
6-36
Voluson® S6/S8 Basic User Manual
5433669-100 Revision 4
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