A 27-year-old man presents with sudden-onset severe occipital headache described as the worst of his life. He vomits and becomes photophobic. Neurolog...

Question

A 27-year-old man presents with sudden-onset severe occipital headache described as the worst of his life. He vomits and becomes photophobic. Neurological examination is normal. CT head performed within 1 hour of onset is normal. What is the most appropriate next investigation?

Accepted Answer

Lumbar puncture to assess for xanthochromia.

Answer

No further investigation is required; discharge with analgesia.

Answer

MRI brain with contrast.

Answer

Carotid Doppler ultrasound.

Answer

Electroencephalogram.

uk-plab-1 MCQ (SBA): Subarachnoid haemorrhage

A 27-year-old man presents with sudden-onset severe occipital headache described as the worst of his life. He vomits and becomes photophobic. Neurological examination is normal. CT head performed within 1 hour of onset is normal. What is the most appropriate next investigation?