Question

A 54-year-old woman presents with sudden onset severe ‘thunderclap’ headache during exercise, followed by vomiting and photophobia. Neurological examination is normal. What is the most appropriate initial investigation?

Accepted Answer

Non-contrast CT head within 12 hours

Answer

MRI brain with contrast

Answer

Lumbar puncture immediately without imaging

Answer

Carotid Doppler ultrasound

Answer

Plain skull X-ray

Practice question

A 54-year-old woman presents with sudden onset severe ‘thunderclap’ headache during exercise, followed by vomiting and photophobia. Neurological examination is normal. What is the most appropriate initial investigation?