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8 Cards in this Set

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  • Back
Motor evoked potential (MEPs) monitoring which area of the spinal cord?
Anterior column only
Somatosensory evoked potentials (SSEPs) monitor which area of the spinal cord? What is the downside?
Dorsal column only
May miss anterior column injury
What degree of SSEP amplitude change is concerning?
50% drop
What degree of SSEP latency change is concerning?
10% increase
What does electromyography (EMG) monitor?
Nerve root irritation
What two modalities are best during scoliosis correction? What modality is best spondylolisthesis reduction?
Scoliosis: SSEP, motor evoked potential (MEP)
Spondylolisthesis reduction: EMG
If intraoperative SSEP changes occur during scoliosis surgery, what two steps should be taken?
Increase blood pressure
Stagnara wake-up test
If the changes persist, then what?
Remove instrumentation