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When monitoring intraoperative evoked potentials, which of the following is most likely to correlate with postoperative dificits?
no change in latency or amplitude
latency decreases and amplitude increases
transient changes of latency or amplitude
persistant loss of waveforms
Which of the following best describes a false negative case?
evoked potentials disappear but reappear within 15 minutes
evoked potentials have a greater than 50% decrease of amplitude with no neurological deficit
evoked potentials remail relatively stable, but postoperative neurologi deficits occur
evoked potentials disappear during surgery and patient has no postoperative deficit
When monitoring brainstem auditory evoked potentials intraoperatively it is recommended to warn the surgeon when an increase of the following occurs?
the latency of wave V of less than 1.0 ms
the latency of wave I of 1 ms
the latency of wave V of 1.0 or greater
the interpeak latency of I-V of 1.0 or less
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