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Febrile neonate — RCPSC EM MCQ

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ModeratePaediatric emergenciesFebrile neonateRCPSC EM

A 19-day-old term infant has fever 38.6°C and decreased feeding. He is mottled but arousable, heart rate is 188/min, capillary refill is 4 seconds, and urinalysis is pending. What is the most appropriate investigation?

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Correct answer: B — Blood, urine, and CSF cultures with inflammatory markers

A febrile neonate requires a full serious bacterial infection evaluation, including blood, urine, and usually CSF testing, alongside empiric antibiotics and admission.

Reference: Canadian Paediatric Society febrile infant guidance