EasyEmergencyAdult cardiac arrest basic life supportau-amcau-acem
A 27-year-old man collapses at a shopping centre. Bystanders commence cardiopulmonary resuscitation. When the ambulance arrives he is unresponsive, pulseless and an advanced airway has not yet been placed. According to the Australian Resuscitation Council, what compression-to-ventilation ratio should rescuers use during basic or advanced life support before an advanced airway is inserted?