Acute Careniche
A 7-month-old infant on a children's ward is found unresponsive and making occasional gasps. You and the paediatric registrar, both trained in paediatric basic life support, arrive together. A self-inflating bag and mask hangs on the wall behind the cot; the resuscitation trolley is on its way. The registrar takes the airway and delivers two ventilations that produce visible chest rise, then asks you to take over the chest. Which one of the following should you provide?