Sudden cardiac death without structural heart disease: update on the long QT and Brugada syndromes.

Abstract excerpt

The long QT syndrome (LQTS) and the Brugada syndrome (BrS) are the most common genetic causes of malignant ventricular arrhythmias and sudden cardiac death in young patients with normal cardiac morphology. To date, more than 250 different mutations in seven genes have been identified as causing LQTS, whereas the only gene identified to be linked to BrS is SCN5A. In both syndromes, gene-specific mutations have...

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