Congenital and drug-induced long-QT syndrome: an update.


The congenital long-QT syndrome is a potentially life-threatening condition characterised clinically by prolonged QT intervals, syncope and sudden cardiac death. The abnormally prolonged repolarisation is the result of mutations in genes encoding cardiac ion channels. The diagnosis of long-QT syndrome is based on clinical, electrocardiographic, and genetic… (More)


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