Cool Extremities in Pediatrics — 8yo Child | Pediatric Cardiology | SMLE Q#11825
SMLE Question #11825
Pediatrics
Pediatric Cardiology
Objective: OBJ-283
Last updated: February 2026
An 8-year-old boy develops sudden palpitations and dizziness while playing soccer. He is alert but anxious, with cool extremities and delayed capillary refill. ECG shows a regular narrow-complex tachycardia at 220/min. What is the most appropriate next step in management?
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