A 36-year-old man is brought to A&E unconscious after a suspected heroin overdose. He has shallow respirations at 6/min and pinpoint pupils. What is the most appropriate immediate management?AIntravenous Naloxone and airway supportBIntravenous FlumazenilCActivated charcoal onlyDHigh-dose intravenous steroidsEOral MethadoneCheck my answer