Long QT Syndrome Type 5 With Coexisting KCNE1 and RYR2 Variants: A Diagnostic Ambiguity

(2026) Long QT Syndrome Type 5 With Coexisting KCNE1 and RYR2 Variants: A Diagnostic Ambiguity. Clinical Case Reports. p. 5. ISSN 2050-0904

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Abstract

Long QT syndrome (LQTS) predisposes to syncope and sudden cardiac death. Type 5 LQTS, linked to KCNE1 variants, is rare. A teenage female presented with recurrent syncope. ECG showed QTc 485 ms. Genetic testing identified KCNE1 and RYR2 variants. Beta-blockers and ICD prevented events. The case highlights diagnostic and genotype-phenotype challenges.

Item Type: Article
Keywords: KCNE1 long QT syndrome RYR2 syncope ventricular-arrhythmias management mutations genetics General & Internal Medicine
Page Range: p. 5
Journal or Publication Title: Clinical Case Reports
Journal Index: ISI
Volume: 14
Number: 6
Identification Number: https://doi.org/10.1002/ccr3.72741
ISSN: 2050-0904
Depositing User: خانم ناهید ضیائی
URI: http://eprints.mui.ac.ir/id/eprint/33868

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