title: What is QT interval prolongation?
abstract: QT interval prolongation is an irregularity of the electrical activity of the heart that places patients at risk for ventricular arrhythmias. Serious complications of drug-induced QT interval prolongation are rare; the identification of patients at risk may help to prevent these events.
authors.affiliation: Mount Sinai School of Medicine, Coronary Care Unit, Mount Sinai Medical Center, New York, NY USA.
authors.forename: David A
authors.initials: DA
authors.lastname: Vorchheimer
mesh_terms: D005260:Female; D006801:Humans; D008133:Long QT Syndrome / Q000150:complications / Q000175:diagnosis* / Q000503:physiopathology*; D008297:Male; D012307:Risk Factors; D016171:Torsades de Pointes / Q000175:diagnosis / Q000209:etiology