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Article

Clinical characteristics of 30 Czech families with long QT syndrome and KCNQ1 and KCNH2 gene mutations: importance of exercise testing.

Journal of electrocardiology - 1 Jan 2000

Andrsova Irena, Novotny Tomas, Kadlecova Jitka, Bittnerova Alexandra, Vit Pavel, Florianova Alena, Sisakova Martina, Gaillyova Renata, Manouskova Lenka, Spinar Jindrich

Abstract excerpt

BACKGROUND: Classic symptoms of long QT syndrome (LQTS) include prolongation of QT interval on electrocardiograph, syncope, and cardiac arrest due to a distinctive form of polymorphic ventricular tachycardia, known as Torsade de Pointes. We assessed occurrence of LQTS signs in individuals from 30 Czech families with mutations in KCNQ1 and KCNH2 genes. METHODS AND RESULTS: One hundred five individuals from 30...

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Source

Identifiers

PMID: 22727609
DOI: 10.1016/j.jelectrocard.2012.05.004

Genes

KCNH2
KCNQ1

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

Source receipt: pubmed, retrieved 6 Sept 2026.

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