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General Surgery · Trauma: raised intracranial pressure
Sample itemA patient with a head injury develops hypertension, bradycardia and irregular respiration. Which immediate measure is appropriate?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Head-up position at 30 degrees, airway control and osmotherapy such as mannitol
Cushing reflex of hypertension, bradycardia and irregular breathing indicates critically raised intracranial pressure and impending herniation. Initial measures include securing the airway, elevating the head, avoiding hypotension and hypoxia, and giving mannitol or hypertonic saline, followed by urgent CT and neurosurgical care. Lumbar puncture is dangerous because it can precipitate herniation.
Option by option
A. Giving sedatives only
Sedation alone does not treat the cause and masks neurological signs.
B. Lying flat with fluids
Lying flat raises venous pressure in the head.
C. Lumbar puncture
Lumbar puncture risks coning.
D. Head-up position at 30 degrees, airway control and osmotherapy such as mannitol (correct)
Correct. These measures lower ICP while definitive care is arranged.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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