title: Prolonged QT: A rare cause of cardiac arrest.
abstract: A prolonged QT interval can be caused by medications,electrolyte abnormalities, or long QT syndrome, a genetic mutation that prolongs the action potential. Torsades de pointes is a potentially fatal polymorphic VT most often associated with prolonged QT interval. This article focuses on recognizing and treating drug-induced torsades de pointes.
authors: Jennifer
authors: J
authors: Carlquist
mesh_terms: D053840:Brugada Syndrome; D000075224:Cardiac Conduction System Disease; D005260:Female; D006323:Heart Arrest / Q000209:etiology*; D006801:Humans; D008133:Long QT Syndrome / Q000139:chemically induced*; D008875:Middle Aged; D016171:Torsades de Pointes / Q000139:chemically induced*