Pediatric and Familial Genetic Arrhythmia Syndromes: SCN5A-Related Disorders When It Is Not Long QT Type 3: Clinical Signs and Symptoms

Card Electrophysiol Clin. 2024 Jun;16(2):211-218. doi: 10.1016/j.ccep.2023.10.007. Epub 2023 Nov 10.

Abstract

The following case series presents three different pediatric patients with SCN5A-related disease. In addition, family members are presented to demonstrate the variable penetrance that is commonly seen. Identifying features of this disease is important, because even in the very young, SCN5A disorders can cause lethal arrhythmias and sudden death.

Keywords: Atrial standstill; Brugada syndrome; Cardiomyopathy; Conduction block; Overlap; SCN5A.

Publication types

  • Review
  • Case Reports

MeSH terms

  • Adolescent
  • Arrhythmias, Cardiac* / diagnosis
  • Arrhythmias, Cardiac* / genetics
  • Arrhythmias, Cardiac* / physiopathology
  • Child
  • Child, Preschool
  • Electrocardiography
  • Female
  • Humans
  • Infant
  • Long QT Syndrome* / genetics
  • Long QT Syndrome* / physiopathology
  • Male
  • NAV1.5 Voltage-Gated Sodium Channel* / genetics