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The congenital long QT syndrome (LQTS) is considered to be one of the hereditary cardiac arrhythmia syndromes, nowadays also known as cardiac channelopathies. The syndrome is characterized by prolongation of the heart rate corrected QT-interval (QTc) on the 12-lead electrocardiogram (ECG). In affected family members, it is associated with recurrent syncope, seizures, and sudden cardiac death due to...
The syndrome of right bundle branch block, persistent ST-segment elevation, and sudden cardiac death, today better known as the Brugada syndrome, was described in 1992 as a new clinical entity characterized by a typical electrocardiographic pattern and a susceptibility to develop polymorphic ventricular arrhythmias in the absence of structural heart disease.1 The description of the first eight patients...
In 2000, Gussak et al. described an idiopathic short QT interval associated with atrial fibrillation in a family and sudden death in an unrelated individual. Three years later, in 2003, Gaita et al. reported the association of a short QT interval and sudden cardiac death in two unrelated European families.
Catecholaminergic polymorphic ventricular tachycardia (CPVT) is a highly malignant inherited arrhythmia syndrome, characterized by bidirectional or polymorphic ventricular tachycardia (VT) and ventricular fibrillation (VF) during physical or emotional stress in structurally normal hearts. This disease is illustrative of the progress that has been made in the field of cardiogenetics in the last decennia.
Atrial fibrillation (AF), the most common sustained cardiac arrhythmia, is a source of significant morbidity and mortality predominantly through its sequelae of heart failure and stroke. Despite its prevalence and clinical significance, its pathophysiology remains incompletely understood and treatment strategies remain relatively ineffective. In recent years, the importance of genetics in predisposing...
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