Question

A 70-year-old man with poorly controlled hypertension presents with sudden onset 'thunderclap' headache, vomiting, and neck stiffness. His GCS is 14/15 (E4 V4 M6). What is the most crucial initial investigation?

Accepted Answer

Non-contrast CT head scan

Answer

Lumbar puncture

Answer

MRI brain with angiography

Answer

Blood cultures

Answer

Electroencephalogram (EEG)

Practice question

A 70-year-old man with poorly controlled hypertension presents with sudden onset 'thunderclap' headache, vomiting, and neck stiffness. His GCS is 14/15 (E4 V4 M6). What is the most crucial initial investigation?