JAPANESE CIRCULATION JOURNAL
Online ISSN : 1347-4839
Print ISSN : 0047-1828
ISSN-L : 0047-1828
Case Reports
A Peculiar Form of Focal Atrial Tachycardia Mimicking Atypical Atrial Flutter
Masahiko Goya, Atsushi Takahashi, Norihito Nuruki, Yoshihide Takahashi, Masakazu Goto, Kazuhiro Tanaka, Hiroshi Amemiya, Hideomi Fujiwara, Yoshito Iesaka
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Keywords: Atypical atrial flutter, Focal atrial tachycardia, Surface electrocardiogram
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2000 Volume 64 Issue 11 Pages 886-889

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Abstract
A 55-year-old man was referred because of congestive heart failure and atrial flutter. A 12-lead electrocardiogram (ECG) showed positive P waves in leads II, III, and aVF with a continuously undulating pattern that lacked an isoelectric baseline. Tachycardia was diagnosed as atypical atrial flutter based on classical criteria. An electrophysiological study and catheter ablation using an electroanatomical system revealed the mechanism of the tachycardia to be focal atrial tachycardia originating from the left atrial roof. This case indicates that focal atrial tachycardia may present as atypical atrial flutter on the surface ECG.
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© 2000 THE JAPANESE CIRCULATION SOCIETY
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Predecessor

The Nippon Journal of Clinical Angio-Cardiology

Japanese Circulation Journal

Successor

Circulation Journal

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