open access

Vol 18, No 4 (2011)
Interesting electrocardiograms
Published online: 2011-07-15
Submitted: 2013-01-14
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Typical atrial flutter with atypical flutter wave morphology due to abnormal interatrial conduction

Tadanobu Irie, Yoshiaki Kaneko, Tadashi Nakajima, Akihiro Saito, Masaki Ota, Toshimitsu Kato, Takafumi Iijima, Mio Tamura, Hiroaki Kobayashi, Toshio Ito, Mamoru Manita, Masahiko Kurabayashi
Cardiol J 2011;18(4):450-453.

open access

Vol 18, No 4 (2011)
Interesting electrocardiograms
Published online: 2011-07-15
Submitted: 2013-01-14

Abstract

We report a case of typical counterclockwise atrial flutter (AFL) with conduction block from right to left atrium along the coronary sinus (CS) musculature, confirmed by discontinuous CS activation sequence during pacing near the ostium and differential right atrial pacing. AFL was associated with an atypical flutter wave morphology, due to the detour of the activation wavefront from right to left atrium via alternate interatrial electrical connections, such as Bachmann’s bundle, the interatrial septum, or both. (Cardiol J 2011; 18, 4: 450–453)

Abstract

We report a case of typical counterclockwise atrial flutter (AFL) with conduction block from right to left atrium along the coronary sinus (CS) musculature, confirmed by discontinuous CS activation sequence during pacing near the ostium and differential right atrial pacing. AFL was associated with an atypical flutter wave morphology, due to the detour of the activation wavefront from right to left atrium via alternate interatrial electrical connections, such as Bachmann’s bundle, the interatrial septum, or both. (Cardiol J 2011; 18, 4: 450–453)
Get Citation

Keywords

atrial flutter; flutter wave; interatrial connection; diagnostic pacing; coronary sinus musculature

About this article
Title

Typical atrial flutter with atypical flutter wave morphology due to abnormal interatrial conduction

Journal

Cardiology Journal

Issue

Vol 18, No 4 (2011)

Pages

450-453

Published online

2011-07-15

Bibliographic record

Cardiol J 2011;18(4):450-453.

Keywords

atrial flutter
flutter wave
interatrial connection
diagnostic pacing
coronary sinus musculature

Authors

Tadanobu Irie
Yoshiaki Kaneko
Tadashi Nakajima
Akihiro Saito
Masaki Ota
Toshimitsu Kato
Takafumi Iijima
Mio Tamura
Hiroaki Kobayashi
Toshio Ito
Mamoru Manita
Masahiko Kurabayashi

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