A 59-year-old man has a witnessed collapse at the airport. CPR was immediately commenced. The ambulance will arrive to your ECMO-capable hospital Emergency Department in 5 minutes.

1. List six positive prognostic factors predicting return of spontaneous circulation. 6 marks

2. Other than cardiac arrest, list three other pathologies suitable for veno-arterial ECMO. 3 marks

3. List four contraindications to ECMO CPR. 4 marks

4. List five potential complications of ECMO. 5 marks