[Short QT syndrome].

Abstract excerpt

Short QT syndrome is a new genetic disorder associated with familial atrial fibrillation and/or sudden death or syncope. To date, different mutations in genes encoding for cardiac ion channels (KCNH2, KCNQ1, and KCNJ2) have been identified to cause the short QT syndrome. The mutations lead to a gain of function of the affected current (IKr, IKs, and IK1). The phenotype is characterized by a shortened QT...

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