Warm Extremities in Pediatrics — Case | Pediatric Emergency | SMLE Q#17617
SMLE Question #17617
Pediatrics
Pediatric Emergency
Objective: OBJ-OPH-REFERRAL-001
Last updated: February 2026
A previously healthy 6-year-old boy develops sudden palpitations and mild shortness of breath while playing. He is alert with warm extremities and normal capillary refill. ECG shows a regular narrow-complex tachycardia at ~210/min with no clearly visible P waves. Vagal maneuvers (ice to face) are unsuccessful. What is the most appropriate next step in acute management?
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