Which is a late sign of increased intracranial pressure (ICP)?

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Multiple Choice

Which is a late sign of increased intracranial pressure (ICP)?

Explanation:
Papilledema is a late sign of increased intracranial pressure. When ICP remains high for a period, it causes venous congestion and edema of the optic nerve head, which shows up as swelling of the optic disc on a fundoscopic exam. This process takes time, so papilledema doesn’t appear immediately after ICP rises. In contrast, changes in level of consciousness tend to occur earlier as brain function becomes affected, and signs from the Cushing triad (hypertension and bradycardia with irregular respirations) indicate severe ICP that has progressed toward decompensation. But papilledema specifically reflects sustained intracranial hypertension and optical nerve involvement, making it the classic late indicator among the options.

Papilledema is a late sign of increased intracranial pressure. When ICP remains high for a period, it causes venous congestion and edema of the optic nerve head, which shows up as swelling of the optic disc on a fundoscopic exam. This process takes time, so papilledema doesn’t appear immediately after ICP rises.

In contrast, changes in level of consciousness tend to occur earlier as brain function becomes affected, and signs from the Cushing triad (hypertension and bradycardia with irregular respirations) indicate severe ICP that has progressed toward decompensation. But papilledema specifically reflects sustained intracranial hypertension and optical nerve involvement, making it the classic late indicator among the options.

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