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Multiple Arrhythmogenic Substrate for Tachycardia in a Patient with Frequent Palpitations

Haghjoo, Majid and Arya, Arash and Dehghani, Mohammadreza and Emkanjoo, Zahra and Fazelifar, Amirfarjam and Sadr-Ameli, MohammadAli (2005) Multiple Arrhythmogenic Substrate for Tachycardia in a Patient with Frequent Palpitations. [Journal (Paginated)]

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Abstract

We report a 26-year-old woman with frequent episodes of palpitation and dizziness. Resting electrocardiography showed no evidence of ventricular preexcitation. During electrophysiologic study, a concealed right posteroseptal accessory pathway was detected and orthodromic atrioventricular reentrant tachycardia incorporating this pathway as a retrograde limb was reproducibly induced. After successful ablation of right posteroseptal accessory pathway, another tachycardia was induced using a concealed right posterolateral accessory pathway in tachycardia circuit. After loss of retrograde conduction of second accessory pathway with radiofrequency ablation, dual atrioventricular nodal physiology was detected and typical atrioventricular nodal reentrant tachycardia was repeatedly induced. Slow pathway ablation was done successfully. Finally sustained self-terminating atrial tachycardia was induced under isoproterenol infusion but no attempt was made for ablation. During 8-month follow-up, no recurrence of symptoms attributable to tachycardia was observed.

Item Type:Journal (Paginated)
Keywords:atrioventricular nodal reentrant tachycardia; atrioventricular reentrant tachycardia; atrial tachycardia; accessory pathway; catheter ablation
Subjects:JOURNALS > Indian Pacing and Electrophysiology Journal
ID Code:4176
Deposited By: Indian Pacing and Electrophysiology, Journal
Deposited On:14 Apr 2005
Last Modified:11 Mar 2011 08:55

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