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Interesting Electrophysiological Findings in a Patient With Coincidental Right Ventricular Outflow Tract and Atrioventricular Nodal Reentrant Tachycardia

Ozin, Bülent and Pirat, Bahar and Müderrisoglu, Haldun (2004) Interesting Electrophysiological Findings in a Patient With Coincidental Right Ventricular Outflow Tract and Atrioventricular Nodal Reentrant Tachycardia. [Journal (Paginated)]

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Abstract

Tachycardia induced tachycardias are not common in clinical practice, and it is believed that most cases of double tachycardia are coincidental. The existence of two different tachycardias in the same patient almost always poses problems in the electrophysiology laboratory. However, in rare instances, the emergence of a second tachycardia can actually provide invaluable information about the first one. In this report, we describe a 30-year-old woman who presented with palpitations. Electrophysiological study revealed that atrial programmed stimulation at baseline induced right ventricular outflow tract (RVOT) tachycardia and supraventricular tachycardia. The study also showed that each of the tachycardias was able to induce the other. A short run of RVOT tachycardia during supraventricular tachycardia was able to entrain the latter. This finding provided important information about the nature of the supraventricular tachycardia, which proved to be atrioventricular nodal reentrant tachycardia. Both of these tachycardias were successfully ablated, and the patient’s palpitations disappeared.

Item Type:Journal (Paginated)
Keywords:Non-sustained ventricular tachycardia, supraventricular tachycardia, double tachycardia.
Subjects:JOURNALS > Indian Pacing and Electrophysiology Journal
ID Code:4233
Deposited By:Indian Pacing and Electrophysiology, Journal
Deposited On:17 Apr 2005
Last Modified:11 Mar 2011 08:55

References in Article

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