Paediatricscommon
A 6-year-old boy with laboratory-confirmed SARS-CoV-2 infection is admitted to a paediatric ward. Over an hour his oxygen saturation falls to 88 per cent on 6 L/min by face mask and he is using his accessory muscles. The registrar decides to start high-flow humidified nasal oxygen at the bedside and asks you to help set it up and to hold him still. You were fit-tested for a P2/N95 respirator last month. Which one of the following is the most appropriate respiratory protection for you to wear?