What is the recommended head-of-bed elevation angle for reducing intracranial pressure while maintaining cerebral perfusion?
Answer and explanation
Correct answer: D. 30 degrees with neutral neck alignment
Answer: 30 degrees with neutral neck alignment.
Why not the others: Flat supine position impedes cerebral venous drainage and elevates intracranial pressure; 60 to 75 degrees can drop systemic arterial pressure and impair cerebral perfusion pressure; Trendelenburg tilt drastically increases cerebral venous congestion and intracranial pressure.
Why not the others: Flat supine position impedes cerebral venous drainage and elevates intracranial pressure; 60 to 75 degrees can drop systemic arterial pressure and impair cerebral perfusion pressure; Trendelenburg tilt drastically increases cerebral venous congestion and intracranial pressure.
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