A 35-year-old man presents with a painful right arm after a fall from his jet ski 1 hour prior to presentation. He has no other injuries.

Arm injury

1. State the (3) main abnormalities on the Xray (3 marks) 3 marks

2. What is the medical eponym for this injury? (1 mark) 1 mark

3. What (5) clinical features would you assess if you are concerned that the patients is developing a compartment syndrome (5 marks) 5 marks

4. List (2) methods of measuring compartment pressure in the emergency department. (2 marks) 2 marks

5. Give a threshold for compartment pressure that would indicate fasciotomy. (1 mark) 1 mark