A 62-year-old man presents with crushing chest pain and hypotension. He is pale and clammy. ECG shows ventricular fibrillation. What is the most appropriate immediate management according to ANZCOR adult advanced life support guidelines?AStart chest compressions and give 1 mg adrenaline before defibrillationBDeliver a single unsynchronised shock as soon as possibleCCheck carotid pulse for 30 seconds before any interventionDGive amiodarone 300 mg intravenous as the first stepEPlace the patient in the recovery position and wait for rhythm analysisCheck my answer