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Suspected subarachnoid haemorrhage — PARA MCQ

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HardGeneral Medicine - NeurologySuspected subarachnoid haemorrhagePARA

A 52-year-old woman has sudden severe headache described as being hit on the head. CT head performed 3 hours after onset is normal. Neurological examination is normal. What is the most appropriate investigation?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: A — Lumbar puncture after appropriate timing and senior discussion

A thunderclap headache requires exclusion of subarachnoid haemorrhage. If early CT is negative but suspicion remains, lumbar puncture is considered after suitable timing and senior review.

Reference: NICE CKS: Headache; NICE NG128