Hyperventilation of the brain-injured patient:
A) shunts oxygen away from the brain and may result in decreased cerebral perfusion pressure.
B) has clearly demonstrated decreased mortality and morbidity in patients with a severe head injury.
C) causes cerebral vasodilation with increased intracranial pressure and should be avoided.
D) is only appropriate if the patient is unresponsive and has bilaterally dilated and sluggishly reactive pupils.
Answer: A) shunts oxygen away from the brain and may result in decreased cerebral perfusion pressure.
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