title: When genetic screening for your patient with long QT syndrome comes back negative, don't always take a no for a no.
authors.forename: Lia
authors.initials: L
authors.lastname: Crotti
authors.forename: Peter J
authors.initials: PJ
authors.lastname: Schwartz
mesh_terms: D004247:DNA / Q000235:genetics*; D005260:Female; D020022:Genetic Predisposition to Disease; D005820:Genetic Testing / Q000379:methods*; D006801:Humans; D008133:Long QT Syndrome / Q000175:diagnosis*; D008297:Male; D009154:Mutation
chemical_list: D004247:DNA