au-racp MCQ (SBA): Subarachnoid haemorrhage work-up after normal CT

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HardNeurologySubarachnoid haemorrhage work-up after normal CTau-racpau-amc

A 45-year-old man presents with sudden-onset severe occipital headache described as the worst of his life, associated with vomiting and photophobia. Neurological examination is normal. CT brain within 3 hours of onset is reported as normal. What is the most appropriate next investigation?

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au-racp MCQ: Subarachnoid haemorrhage work-up after normal CT — Answer