A 40-year-old has a 'thunderclap' headache of sudden onset. Neurological exam is normal. Which investigation is most appropriate first-line to rule ou...

Question

A 40-year-old has a 'thunderclap' headache of sudden onset. Neurological exam is normal. Which investigation is most appropriate first-line to rule out subarachnoid haemorrhage?

Accepted Answer

Non-contrast CT head

Answer

MRI brain

Answer

Lumbar puncture immediately

Answer

CT angiogram

Answer

Carotid Doppler ultrasound

Subarachnoid haemorrhage — MRCEM SBA MCQ

A 40-year-old has a 'thunderclap' headache of sudden onset. Neurological exam is normal. Which investigation is most appropriate first-line to rule out subarachnoid haemorrhage?