Question

A 65-year-old woman is brought to the emergency department with sudden severe headache described as the worst of her life, vomiting and neck stiffness. CT head within 2 hours of onset is normal. What is the next best investigation?

Accepted Answer

Lumbar puncture to assess for xanthochromia

Answer

No further testing is required

Answer

MRI brain only

Answer

Carotid Doppler ultrasound

Answer

EEG

Practice question

A 65-year-old woman is brought to the emergency department with sudden severe headache described as the worst of her life, vomiting and neck stiffness. CT head within 2 hours of onset is normal. What is the next best investigation?