[Value of genetic testing in the management of the congenital long QT syndrome].

Abstract excerpt

The congenital long QT syndrome (LQTS) is a variable clinical and genetic entity characterised by prolongation of the QT interval on the ECG associated with the risk of serious ventricular arrhythmias (torsades de pointe, ventricular fibrillation) which may cause syncope and sudden death in patients with otherwise normal hearts. To date, 6 loci have been identified with the genes responsible for the forms LQT1,...

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