A 19-year-old snowboarder has brief loss of consciousness, then wakes and speaks normally. One hour later he becomes drowsy with a dilated right

Question

A 19-year-old snowboarder has brief loss of consciousness, then wakes and speaks normally. One hour later he becomes drowsy with a dilated right pupil and left arm weakness. CT shows a biconvex extra-axial temporal collection. What is the most likely diagnosis?

Accepted Answer

Epidural haematoma

Answer

Subarachnoid haemorrhage from aneurysm

Answer

Subdural hygroma

Answer

Cerebral venous sinus thrombosis

Answer

Diffuse axonal injury

Epidural haematoma — RCPSC EM MCQ

A 19-year-old snowboarder has brief loss of consciousness, then wakes and speaks normally. One hour later he becomes drowsy with a dilated right pupil and left arm weakness. CT shows a biconvex extra-axial temporal collection. What is the most likely diagnosis?