Question

A 48-year-old woman presents with sudden severe occipital headache, photophobia and vomiting. She describes it as "the worst headache of my life". Neurological examination is normal. CT brain without contrast is normal at 3 hours after onset. What is the next best investigation?

Accepted Answer

Lumbar puncture to look for xanthochromia

Answer

Reassure and discharge

Answer

MRI brain only

Answer

Carotid Doppler ultrasound

Answer

Electroencephalogram

Practice question

A 48-year-old woman presents with sudden severe occipital headache, photophobia and vomiting. She describes it as "the worst headache of my life". Neurological examination is normal. CT brain without contrast is normal at 3 hours after onset. What is the next best investigation?