title: Genetic testing for long QT syndrome.
mesh_terms: D016757:Death, Sudden, Cardiac / Q000209:etiology; D018795:Device Approval; D020022:Genetic Predisposition to Disease; D005820:Genetic Testing; D006801:Humans; D008133:Long QT Syndrome / Q000175:diagnosis / Q000235:genetics*; D017063:Outcome Assessment, Health Care; D012680:Sensitivity and Specificity; D014481:United States; D014486:United States Food and Drug Administration