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A study of human cardiac conduction system with multiple close-bipolar electrode catheter Hitoshi Ito 1 1The Third Department of Internal Med., Toho University pp.1221-1227
Published Date 1979/11/15
DOI https://doi.org/10.11477/mf.1404203467
  • Abstract
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During the past ten years the catheter technique of His bundle recordings has enhanced our knowledge of cardiac electrophysiology especially to arrhythmias such as A-V block. It was re-ported, however, 10 mm or more wide bipolarelectrode which has been used generally, appeared to be difficult to analyse the more local site. Then the present study was performed to examine the human cardiac conduction system with the multiple close-bipolar electrode catheter since it has been reported that 1 mm or more close bipolar electrode has been able to record the electrical activities at the more local site.

The catheter had five pairs of electrodes with a distance of 1 mm between two electrodes of each pair and had a distance of 13 mm between the midpoints of each pair. It was introduced through the femoral vein and was positioned across the tricuspid valve fluoroscopically. In this study 69 cardiac patients with normal cardiac conduction system (N group) and 11 patients with complete right bundle branch block (RBBB group) were investigated.


Copyright © 1979, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1200 印刷版ISSN 0452-3458 医学書院

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