A 17-year-old boy is brought in by ambulance after falling and hitting his head while scootering. On physical examination he is stuporous. Vital signs are within normal limits. A non-contrast CT of the head is shown.
Which of the following is the most appropriate next step in management?
Craniotomy
Intravenous methylprednisolone
Intravenous mannitol
Intubation and hyperventilation
Lumbar puncture
