ukmla MCQ (SBA): Thunderclap headache / SAH rule-out

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MediumNeurologyThunderclap headache / SAH rule-outukmlamrcem sbamrcp part 1paneprescribing safety assessment

A 49-year-old presents with sudden, severe 'worst-ever' occipital headache and vomiting. Neuro exam normal. What is the most appropriate immediate investigation in ED?

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