A 38-year-old man presents with a painful left wrist after a fall on an outstretched hand. X-rays are provided.

Wrist injury

1. List four abnormalities visible in the radiographs. 4 marks

You decide to perform a haematoma block in the emergency department. Written consent is obtained, suitable IV opioid analgesia is administered, the patient is appropriately positioned and the skin is cleaned.

2. Outline four steps in performing a haematoma block. 4 marks

3. List two early and two late complications of this fracture. 4 marks