intraoperative neurophysiological monitoring


intraoperative neurophysiological monitoring

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IONM

The moment-to-moment evaluation of brain or spinal cord activity during operations on or near those organs. It is used to identify and minimize the effects of hypoxia or ischemia on nerves. Technologies used in IONM include brainstem auditory evoked potentials, electromyography, muscle motor evoked potentials, and somatosensory evoked potentials. Synonym: surgical neurophysiology