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Title: Narrow QRS Tachycardia with Transition: What Is the Mechanism?
Authors: Nair, KKM
Namboodiri, N
Banavalikar, B
Inamdar, S
Valaparambil, A
Thajudeen, A
Tharakan, J
Keywords: Cardiovascular System & Cardiology; Engineering
Issue Date: 2016
Citation: 39 ,9;1016-1017
Abstract: A 50-year-old woman underwent radiofrequency catheter ablation of narrow QRS tachycardia that was terminated with intravenous adenosine. Twelve-lead electrocardiogram was normal during sinus rhythm. The electrophysiological study showed normal atriohisian and hisioventricular intervals during sinus rhythm. Atrial burst pacing reproducibly induced two narrow QRS tachycardias. Figure 1 shows spontaneous switch of tachycardia 1 to tachycardia 2. What are the likely mechanisms of the tachycardia and the transition?
URI: 10.1111/pace.12902
Appears in Collections:Journal Articles

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