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A TBI patient has unilateral fixed pupil, extensor posturing, ICP 36, and acute deterioration while awaiting CT. Which intervention is appropriate as a bridge?
Maintain PaCO2 at 50-55 to increase cerebral blood flow.
Brief hyperventilation and hyperosmolar therapy while preparing definitive evaluation.
Trend the exam for an hour because sedation can cause pupils to dilate.
Give free water to reduce sodium.
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