21st August 2020

An 18-year-old university student presents to A&E with a GCS of 12

An 18-year-old university student presents to A&E with a GCS of 12 (opens eyes to speech, is confused and moves to localised pain) following an accident in a hockey match the day before, in which he was hit on the head by a hockey stick. He has a fixed, dilated pupil on his left side.

What is the most appropriate initial investigation?

Select the SINGLE most appropriate option from the list below. Select ONE option only.