A 55-year-old woman presents with sudden severe headache described as the worst in her life, associated with vomiting and photophobia. Neurological ex...

Question

A 55-year-old woman presents with sudden severe headache described as the worst in her life, associated with vomiting and photophobia. Neurological examination shows neck stiffness but no focal deficit. CT brain performed within 2 hours is normal. What is the most appropriate next investigation?

Accepted Answer

Lumbar puncture to look for xanthochromia and red cells

Answer

No further investigation; discharge home

Answer

MRI brain only

Answer

Carotid Doppler ultrasound

Answer

EEG

au-amc MCQ (SBA): Subarachnoid haemorrhage

A 55-year-old woman presents with sudden severe headache described as the worst in her life, associated with vomiting and photophobia. Neurological examination shows neck stiffness but no focal deficit. CT brain performed within 2 hours is normal. What is the most appropriate next investigation?