Question

A 35-year-old woman presents with sudden severe occipital headache described as the worst in her life, associated with vomiting and photophobia. Neurological examination is normal. CT brain performed within 1 hour is normal. What is the most appropriate next investigation?

Accepted Answer

Lumbar puncture to look for xanthochromia

Answer

No further investigation is required

Answer

CT pulmonary angiography

Answer

Carotid Doppler ultrasound

Answer

EEG

Practice question

A 35-year-old woman presents with sudden severe occipital headache described as the worst in her life, associated with vomiting and photophobia. Neurological examination is normal. CT brain performed within 1 hour is normal. What is the most appropriate next investigation?