A Complex Arrhythmic Phenotype in a Pediatric Patient with Variants in SCN5A and KCNH2.

doi:10.3390/genes17080885

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Article

A Complex Arrhythmic Phenotype in a Pediatric Patient with Variants in SCN5A and KCNH2.

Genes - 29 Jul 2026

Bienjonetti-Boudreau David, Tremblay-Laganiere Camille, Gkogkou Efthymia, Martinez Annick, Gonzalez Corcia Cecilia

Abstract excerpt

Long QT Syndrome type 2 (LQT2) and Brugada syndrome are inherited cardiac channelopathies that predispose affected individuals to ventricular arrhythmias and sudden cardiac death. We report the case of a 15-year-old male carrying two pathogenic variants: one in SCN5A and one in KCNH2, genes classically associated with Brugada syndrome and LQT2, respectively. The patient presented with an atypical phenotype...

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Identifiers

PMID: 42650078
DOI: 10.3390/genes17080885
PMCID: PMC13512050

Genes

SCN5A
KCNH2

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 8 Sept 2026.