Question

A 45-year-old man presents with sudden onset severe headache, described as the 'worst headache of his life', peaking within minutes. He also experienced vomiting and neck stiffness. Observations are stable. Neurological examination is normal. What is the most appropriate initial investigation?

Accepted Answer

CT head (non-contrast)

Answer

Lumbar puncture

Answer

MRI brain + MRA

Answer

Carotid Doppler ultrasound

Answer

Blood tests including ESR and CRP

Practice question

A 45-year-old man presents with sudden onset severe headache, described as the 'worst headache of his life', peaking within minutes. He also experienced vomiting and neck stiffness. Observations are stable. Neurological examination is normal. What is the most appropriate initial investigation?