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Infant supraventricular tachycardia — ACEM Fellowship MCQ

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ModeratePaediatric emergenciesInfant supraventricular tachycardiaACEM Fellowship

A 6-week-old infant presents to an Auckland ED, triage category 2, with poor feeding and tachycardia. HR 260 regular narrow-complex rhythm, BP 78/44, capillary refill 3 seconds. The infant is alert with no shock requiring immediate cardioversion. What is the most appropriate management?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: D — Vagal manoeuvre then IV adenosine if unsuccessful

Stable infant SVT is managed with vagal manoeuvres followed by adenosine with monitoring and resuscitation readiness.

Reference: ANZCOR paediatric arrhythmia guidance; ACEM paediatric curriculum