A 65-year-old woman is brought in after a witnessed collapse. She is unresponsive, pulseless and the monitor shows ventricular fibrillation. What is the most appropriate next step in management?ABegin chest compressions only and delay defibrillation for 2 minutesBDeliver an immediate unsynchronised shock with a defibrillatorCAdminister intravenous adrenaline before defibrillationDIntubate the patient before any shocksECheck blood glucose before proceedingCheck my answer