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J Am Coll Cardiol, 1985; 5:999-1001
© 1985 by the American College of Cardiology Foundation
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Transvenous catheter ablation of a right atrial automatic ectopic tachycardia

MJ Silka, PC Gillette, A Garson Jr, and A Zinner

A 10 year old patient with right atrial automatic ectopic tachycardia underwent successful transvenous catheter ablation after endocardial mapping. Tachycardia had been present for 7 years before ablation and associated with development of dilated cardiomyopathy. A single 50 J discharge at the point of earliest atrial activation was followed by the establishment of sinus rhythm that remains at 10 months' follow-up. This case represents the first reported successful catheter ablation of an atrial automatic ectopic tachycardia. Specific anatomic factors favoring successful ablation and improvement in technique are discussed.





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Copyright © 1985 by the American College of Cardiology Foundation.