title: [Secondary prolongation of the QT interval and ventricular arrhythmias. Causes and treatment].
mesh_terms: D001145:Arrhythmias, Cardiac / Q000150:complications* / Q000209:etiology* / Q000628:therapy; D004562:Electrocardiography; D005260:Female; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D008133:Long QT Syndrome / Q000150:complications*; D008875:Middle Aged; D012306:Risk
vernacular_title: Sekundaer forlaengelse af QT-intervallet og ventrikulaere arytmier. Arsag og behandling.