A 19-year-old man presents to an Auckland ED, triage category 2, after being hit with a cricket bat. He had brief loss of consciousness, was lucid

Question

A 19-year-old man presents to an Auckland ED, triage category 2, after being hit with a cricket bat. He had brief loss of consciousness, was lucid for 2 hours, then developed headache and confusion. CT shows a biconvex temporal extra-axial collection crossing no suture lines. What is the most likely diagnosis?

Accepted Answer

Extradural haematoma

Answer

Subarachnoid haemorrhage

Answer

Cerebral venous sinus thrombosis

Answer

Subdural haematoma

Answer

Diffuse axonal injury

Extradural haematoma — ACEM Fellowship MCQ