Vorchheimer David A
Mount Sinai School of Medicine, Coronary Care Unit, Mount Sinai Medical Center, New York, NY USA.
J Fam Pract. 2005 Jun;Suppl:S4-7.
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.
QT间期延长是心脏电活动的一种异常情况，会使患者面临室性心律失常的风险。药物引起的QT间期延长的严重并发症很少见；识别有风险的患者可能有助于预防这些事件。
