A 70-year-old man in cardiac arrest is found to be pulseless with an organised narrow-complex rhythm on the monitor. According to ACLS algorithms, which statement is correct?ADeliver an immediate defibrillation shockBBegin high-quality CPR and give adrenaline while searching for reversible causesCCardioversion is the treatment of choiceDNo drugs are indicated in this rhythmEChest compressions are not necessary when an organised rhythm is presentCheck my answer