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Levofloxacin Induced Polymorphic Ventricular Tachycardia with Normal QT Interval
Author(s) -
PALTOO BRENDON,
O'DONOGHUE SUSAN,
MOUSAVI MORTEZA S.
Publication year - 2001
Publication title -
pacing and clinical electrophysiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.686
H-Index - 101
eISSN - 1540-8159
pISSN - 0147-8389
DOI - 10.1046/j.1460-9592.2001.00895.x
Subject(s) - medicine , torsades de pointes , qt interval , ventricular tachycardia , cardiology , tachycardia , levofloxacin , qrs complex , long qt syndrome , anesthesia , microbiology and biotechnology , biology , antibiotics
PALTOO, B., et al. : Levofloxacin Induced Polymorphic Ventricular Tachycardia with Normal QT Interval. Polymorphic ventricular tachycardia (PVT) is a form of ventricular tachycardia characterized by QRS complexes that seem to change direction during the tachycardia. If associated with a prolonged QT interval, it is called torsades de pointes. In the absence of a congenital long QT syndrome, torsades is seen with certain drugs such as antiarrythmic agents (Class IA, IC, III), psychotropic medications, antidepressants, antihistamines, and electrolyte disturbances. We report the first case of polymorphic ventricular tachycardia with normal QT interval associated with the oral use of levofloxacin in the absence of other etiologies known to cause these arrhythmias.