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