A 4-year-old boy is recovered from a near-drowning incident in a backyard pool. On arrival to the ED he is conscious with mild cough and oxygen saturation 93% on room air. What is the most appropriate initial management?ADischarge home immediately as he is awakeBProvide supplemental oxygen, monitor closely and observe for delayed respiratory compromiseCAdminister prophylactic antibioticsDInduce vomiting to clear swallowed waterERestrict fluids for 24 hours to prevent pulmonary oedemaCheck my answer