Indie is a 12-week-old baby brought in by ambulance after an episode at home where she went floppy and dusky in colour, witnessed by her parents. The event lasted 30 seconds. She was born preterm at 35 weeks gestation and is now alert and pink in ED.

1. Excluding BRUE, list (3) important differential diagnoses that you should not miss. 3 marks

2. List (4) essential features of BRUE. 4 marks

3. List (5) features to categorise this presentation as low risk BRUE. 5 marks