Question

A 42-year-old woman describes a sudden-onset severe occipital headache described as the worst of her life that reached maximal intensity within seconds while she was exercising. CT head performed 2 hours after onset is reported as normal. Neurological examination is normal. What is the next most appropriate investigation?

Accepted Answer

Lumbar puncture to look for xanthochromia after 12 hours from symptom onset

Answer

No further investigation is needed; discharge with simple analgesia

Answer

Repeat CT head in 24 hours only if symptoms persist

Answer

MRI brain with contrast

Answer

Carotid Doppler ultrasound

Practice question