Causes of prolonged qt interval drugs

INTRODUCTION. QT interval prolongation (hereafter referred to as QT prolongation), identified as a prolonged QT interval on an.

Antihistamines, including hydroxyzine, have been reported to prolong the QT interval and cause ventricular tachyarrhythmias (3,4). These drugs delay myocardial repolarization and prolong the QT interval in a dose-dependent manner. Hydroxyzine is one of the most potent drugs for prolonging the QT interval .

antibiotics in its class. Azithromycin can prolong the QT interval and cause arrhythmias, especially when used with other drugs which prolong the QT interval.

QT interval prolongation. Generic Name has been found to cause a dose-dependent prolongation of the QT interval. Cases of QT interval prolon- gation and

Drugs that prolong the QT interval, such as escitalopram, should be used with caution in those with congenital long QT syndrome or known pre-existing QT interval prolongation, or in combination with other medicines that prolong the QT interval.

They postulated that metronidazole could cause QT interval prolongation by inhibiting the metabolism of other drugs that can prolong the QT interval. However

list of drugs that may cause a prolonged QT interval. Results and conclusions: The long. QT syndrome is a heart disorder characterized by a prolonged QT.

Where possible, avoid use of QT c interval prolonging drugs in patients known to have pretreatment QT c intervals 450 ms. Discontinue QT c interval prolonging drug(s) if QT c interval prolongs to 500 ms. Reduce dose or discontinue QT c interval prolonging drug(s) if the QT c interval increases 60 ms from pretreatment value.

by E Burns Cited by 8QT Interval Definition Causes of a prolonged QTc ( 440ms) Causes of a short QTc ( 350ms) QT interval scale Drug-induced QT-Prolongation and