TYK324

All of the following are true regarding IONM (intraoperative nerve monitoring) EXCEPT:

a) SSEP signals are negatively impacted by hypotension

b) During spinal cord compromise, MEP signals change after SSEP signals

c) SSEP signals monitor dorsal column function

d) Volatile anesthesia have profound effects on MEPs

e) Hypothermia decreases IONM signals due to delayed nerve conduction.

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Answer

Answer b. MEP signals are more sensitive to ischemia, and changes due to spinal cord ischemia appear earlier with MEPs than with SSEPs.

This question originally printed in the Pediatric Anesthesiology Review Topics kindle book series, and appears courtesy of Naerthwyn Press, LLC.