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Stable neonatal supraventricular tachycardia — RCPSC EM MCQ

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ModeratePaediatric emergenciesStable neonatal supraventricular tachycardiaRCPSC EM

A 3-week-old has poor feeding and a narrow-complex tachycardia at 260/min. BP is normal, capillary refill is 2 seconds, and oxygen saturation is 97%. The infant is alert but irritable. What is the most appropriate initial management?

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Correct answer: A — Attempt vagal manoeuvre then give adenosine if unsuccessful

Attempt vagal manoeuvre then give adenosine if unsuccessful is correct: the clues indicate Stable neonatal supraventricular tachycardia and this option addresses the immediate ED priority. The distractors delay care, target a less likely problem, or are unsafe in this physiology.

Reference: PALS principles; Canadian paediatric EM practice