Abstract

Peltenburg et al (Circulation 2022;145:333–344, PMID 34874747) investigated the association between risk for arrhythmic events and type of β-blocker in 329 symptomatic children with catecholaminergic polymorphic ventricular tachycardia (CPVT). RYR2 variant–carrying symptomatic children (defined as syncope or sudden cardiac arrest before β-blocker initiation and start of β-blocker therapy <18 years of age) from both the International CPVT Registry and the PACES Pediatric CPVT Registry were enrolled.

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