title: Summaries for patients. When the heart's electrical system goes haywire: the congenital long QT syndrome.
mesh_terms: D004562:Electrocardiography; D004594:Electrophysiology; D005260:Female; D005838:Genotype; D006801:Humans; D008133:Long QT Syndrome / Q000151:congenital* / Q000175:diagnosis / Q000235:genetics / Q000503:physiopathology / Q000628:therapy; D008297:Male; D009154:Mutation; D011110:Polymorphism, Genetic; D012307:Risk Factors