Article
Genotype-specific clinical manifestation in long QT syndrome.
Expert review of cardiovascular therapy - 1 Sept 2003
Shimizu Wataru
Abstract excerpt
The congenital form of long QT syndrome (LQTS) is characterized by QT prolongation in the electrocardiogram (ECG) and a polymorphic ventricular tachycardia, Torsade de Pointes (TdP) mainly as a result of an increased sympathetic tone during exercise or mental stress. Recent genetic studies have so far identified seven forms of congenital LQTS caused by mutations in genes of the potassium and sodium channels or...
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