| Absence of left atrium-coronary sinus musculature electrical connection at coronary sinus ostium unmasked by unique double coronary sinus potentials pattern. | |
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MedLine Citation:
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PMID: 21245636 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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We describe a 77-year-old man with Wolff-Parkinson-White syndrome exhibiting double coronary sinus (CS) potentials during retrograde conduction over accessory pathway (AP). The first, low-frequency potential (DP1) was first recorded in the left posterolateral region, while the second, higher frequency signal (DP2) was recorded in a lateral-to-septal direction. The two signals were fused near the left lateral wall. Successful ablation of the AP was obtained at its ventricular insertion site in the postero-septal region. The unexpectedly delayed activation of the paraseptal RA following activation of the paraseptal left atrium (DP1) can be explained by the absence of a LA-CS musculature (CSM) electrical connection at the proximal CS, which forces a detour of the activation wavefront from LA to RA via the distal CS (DP2). This is a rare case exhibiting unique double CS potentials which unmasked the absence of a LA-CSM electrical connection at CS ostium. |
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Authors:
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Akihiro Saito; Yoshiaki Kaneko; Tadashi Nakajima; Tadanobu Irie; Masaki Ota; Toshimitsu Kato; Takafumi Iijima; Mio Tamura; Hiroaki Kobayashi; Masahiko Kurabayashi |
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Publication Detail:
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Type: Journal Article Date: 2011-01-15 |
Journal Detail:
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Title: Internal medicine (Tokyo, Japan) Volume: 50 ISSN: 1349-7235 ISO Abbreviation: Intern. Med. Publication Date: 2011 |
Date Detail:
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Created Date: 2011-01-19 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9204241 Medline TA: Intern Med Country: Japan |
Other Details:
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Languages: eng Pagination: 125-9 Citation Subset: IM |
Affiliation:
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Department of Medicine and Biological Science, Gunma University Graduate School of Medicine, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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