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학습 자료 둘러보기 →A decreased level of consciousness (LOC) is the single most reliable early indicator of rising intracranial pressure. The brain's reticular activating system is highly sensitive to hypoperfusion, causing restlessness or drowsiness before other signs appear.
Do not wait for Cushing's triad (bradycardia, widened pulse pressure, irregular respirations). This is a late and often terminal sign. Papilledema and projectile vomiting are also delayed findings.
Any subtle change in a patient's alertness or orientation in the context of head injury or neurosurgery is an emergency. Immediately assess Glasgow Coma Scale (GCS) and notify the provider before the patient develops Cushing's triad.
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