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KMID : 0368120140440040271
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Korean Circulation Journal
2014 Volume.44 No. 4 p.271 ~ p.273
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Supraventricular Tachycardia and Sinus Rhythm with Contralateral Bundle Branch Block Patterns
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Han Seong-Wook
Miller John M
Das Mithilesh Kumar
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Abstract
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A contralateral bundle branch block (BBB) aberration during tachycardia with a preexisting BBB strongly suggests the presence of ventricular tachycardia. We report on a middle-aged, female patient presented with wide QRS tachycardia. The patient had orthodromic atrioventricular tachycardia with a left BBB aberration in the presence of a preexisting right BBB due to an abnormal His-Purkinje system. We learned that the contralateral BBB aberration with supraventricular tachycardia could be seen when the His-Purkinje system was abnormal.
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KEYWORD
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Bundle-branch block, Tachycardia, supraventricular, Bundle of His, Purkinje fibers
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