Mutations in the long QT gene, KCNQ1, are an uncommon cause of atrial fibrillation: Table 1

Abstract excerpt

Atrial fibrillation (AF) is the most common clinical arrhythmia and a major source of morbidity and mortality.1 The underlying mechanisms for AF are highly heterogeneous and often related to associated structural heart disease.2 However, in several large studies 10–30% of subjects have no obvious heart disease, and are labelled as primary or lone AF.1 The identification of extended families with lone AF, and the...

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