You are a member of a retrieval team tasked by helicopter to retrieve a 25-year-old patient from a small peripheral country hospital to a major trauma centre. The pilot estimates a flight time of 1.5 hours. The patient has been involved in a motorbike accident with chest bruising, right upper quadrant pain and an open left femoral fracture. Observations: RR 22, sats 96% on 2 L nasal cannula, HR 100, BP 100/50, GCS 14/15.

1. State five methods to reduce the risk of ongoing blood loss in this patient. 5 marks

On your arrival, you perform an eFAST examination during which you find a loss of lung sliding on the right side of the chest.

2. List two absolute indications for chest drain insertion prior to transfer for this patient. 2 marks

3. List five other factors you would consider when deciding whether to insert a chest drain. 5 marks