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Polymorphic Ventricular Tachycardia Induced by Intracoronary Injection of Ioxaglate in a Patient with Borderline QT Prolongation
Author(s) -
EMORI TETSURO,
FUJIEDA HIROYUKT,
OHE TOHRU
Publication year - 1996
Publication title -
journal of cardiovascular electrophysiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.193
H-Index - 138
eISSN - 1540-8167
pISSN - 1045-3873
DOI - 10.1111/j.1540-8167.1996.tb00470.x
Subject(s) - medicine , cardiology , repolarization , ventricular tachycardia , qt interval , tachycardia , coronary angiography , anesthesia , myocardial infarction , electrophysiology
Ioxaglate‐Induced Polymorphic VT. A 68‐year‐old female patient with borderline QT prolongation developed polymorphic ventricular tachycardia soon alter intracoronary injection of ioxaglate. There was no coronary stenosis or vasospasm. To investigate abnormality of the ventricular repolarization, we recorded the monophasic action potential (MAP) during coronary angiography. Ioxaglate prolonged the MAP duration regionally in the perfused area and produced temporal dispersion of ventricular repolarization.