title: Torsade de pointes and prolonged QT interval from surreptitious use of sotalol: use of drug levels in diagnosis.
abstract: Torsade de pointes is a well-established toxic effect of sotalol hydrochloride. In a patient presenting with torsade de pointes and a long QTc interval of unknown cause, a serum sotalol level was used to secure an otherwise difficult diagnosis.
authors.affiliation: Cardiac Arrhythmia Service, Tufts/New England Medical Center, Boston, MA 02111, USA.
authors.forename: M S
authors.initials: MS
authors.lastname: Link
authors.forename: C B
authors.initials: CB
authors.lastname: Foote
authors.forename: S B
authors.initials: SB
authors.lastname: Sloan
authors.forename: M K
authors.initials: MK
authors.lastname: Homoud
authors.forename: P J
authors.initials: PJ
authors.lastname: Wang
authors.forename: N A
authors.initials: NA
authors.lastname: Estes
mesh_terms: D000328:Adult; D000889:Anti-Arrhythmia Agents / Q000008:administration & dosage / Q000097:blood / Q000506:poisoning*; D062787:Drug Overdose; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008133:Long QT Syndrome / Q000139:chemically induced* / Q000175:diagnosis; D013015:Sotalol / Q000008:administration & dosage / Q000097:blood / Q000506:poisoning*; D016171:Torsades de Pointes / Q000139:chemically induced* / Q000175:diagnosis
chemical_list: D000889:Anti-Arrhythmia Agents; D013015:Sotalol