[Acquired long QT syndrome]

Service de médecine interne CHUV, 1011 Lausanne.
Revue médicale suisse 08/2013; 9(395):1538-42.
Source: PubMed


The long QT syndrome may be acquired or genetically determined. The syndrome is characterized by a prolonged QT interval and is associated with an increased risk of cardiac arrhythmia such as a torsade de pointe and death. Electrolytes disorders such as hypomagnesemia and hypokaliemia and several drugs may increase the risk to develop a long QT syndrome. The epidemiology, the aetiology, the diagnostic approach as well as the management options of an acquired QT prolongation is discussed and reviewed herein.

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