Question

A 28-year-old woman presents with a sudden onset severe headache, described as 'thunderclap'. She has neck stiffness and photophobia. CT head is performed within 6 hours of onset and is reported as normal. What is the most appropriate next investigation?

Accepted Answer

Lumbar Puncture (LP)

Answer

MRI brain

Answer

MR Angiography (MRA)

Answer

CT Angiography (CTA)

Answer

Repeat CT head in 24 hours

Practice question

A 28-year-old woman presents with a sudden onset severe headache, described as 'thunderclap'. She has neck stiffness and photophobia. CT head is performed within 6 hours of onset and is reported as normal. What is the most appropriate next investigation?