A 70-year-old woman presents with knee pain after a fall from standing height. She has a past history of type 2 diabetes mellitus and obesity. An X-ray of her knee is taken.

Anterior knee dislocation

1. State your diagnosis. 1 mark

2. State (5) steps in your initial management. 5 marks

3. List 4 complications of this injury 4 marks

4. Other than post reduction Xray, list 1 key investigation needed for this injury and provide the rationale 2 marks