Description : Congenital long QT syndrome is electrocardiographically characterized by a prolonged
QT interval and polymorphic ventricular arrhythmias (torsade de pointes). These cardiac
arrhythmias may result in recurrent syncopes, seizure, or sudden death (Jongbloed
et al., 1999).;
Inheritance : Autosomal dominant;
Molecular basis : Caused by mutation in the A-kinase anchor protein 9 gene (AKAP9, 604001.0001);