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KMID : 1011920130140030016
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International Journal of Arrhythmia
2013 Volume.14 No. 3 p.16 ~ p.21
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Ventricular tachycardia in ischemic cardiomyopathy
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Kim Jin-Bae
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Abstract
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Despite the decreased incidence of coronary artery disease, several studies showed that the ischemic ventricular tachycardia (VT) are most common type of ventricular tachycardia. Ischemic VTs have been known to arise in the ventricular scar or border zone, consisting of the reentry circuit. Therefore, reentry has been accepted as the principal mechanism of ischemic VT. However, recent studies showed a different background of the mechanism. In treatment, antiarrhythmic agents and implantable cardioverter defibrillator (ICD) are the first line of therapy. However, some cases require a more invasive approach, such as catheter ablation or cardiac surgery. The techniques of these treatments have evolved for several decades, showing better clinical outcome than before. Therefore, the management for ischemic VT should be tailored in patients with broadspectrum disease.
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KEYWORD
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cardiomyopathy, ischemic , ventricular tachycardia
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