Browsing by Subject "Bundle of His"

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    Supraventricular Tachycardia and Sinus Rhythm with Contralateral Bundle Branch Block Patterns
    (Korean Society of Cardiology, 2014) Han, Seongwook; Miller, John M.; Das, Mithilesh Kumar; Medicine, School of Medicine
    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.