A 35-year-old man presents with acute severe headache, nausea, and photophobia. He describes the onset as sudden, like being 'hit on the head'. He has...

Question

A 35-year-old man presents with acute severe headache, nausea, and photophobia. He describes the onset as sudden, like being 'hit on the head'. He has no focal neurological deficits. CT head performed within 6 hours of onset is normal. What is the next most appropriate investigation?

Accepted Answer

Lumbar puncture (LP)

Answer

CT angiogram of the head

Answer

Magnetic resonance imaging (MRI) of the brain

Answer

Magnetic resonance venography (MRV) of the brain

Answer

Repeat CT head in 24 hours

ukmla MCQ (SBA): Subarachnoid Haemorrhage

A 35-year-old man presents with acute severe headache, nausea, and photophobia. He describes the onset as sudden, like being 'hit on the head'. He has no focal neurological deficits. CT head performed within 6 hours of onset is normal. What is the next most appropriate investigation?