Infant urinary tract infection — MCCQE Part 1 MCQ

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EasyChild With FeverInfant urinary tract infectionMCCQE Part 1

An 8-month-old girl has fever without source and poor feeding; catheter urine shows pyuria and nitrites. Which of the following is the most appropriate next step?

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Correct answer: B — Treat UTI and arrange follow-up based on age, severity and imaging recommendations

Treat UTI and arrange follow-up based on age, severity and imaging recommendations is the single best answer because the age, timing, examination findings and investigations in the vignette fit Infant urinary tract infection better than the alternatives. The most tempting distractor is less appropriate because it either treats a neighbouring presentation, delays a time-critical intervention, or ignores a key discriminator in the stem. The remaining options are suboptimal because they would miss the diagnosis, use an investigation or treatment in the wrong sequence, or fail to address safety and follow-up. Canadian practice should be anchored to CPS urinary tract infection guidance, with attention to acuity, safety-netting and local provincial pathways.

Reference: CPS urinary tract infection guidance