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      Atypical Wenckebach Block and Concealed Conduction

      case-report

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          Abstract

          Following exercise testing, a 71 -year-old man developed atrial tachycardia with a unusual form of conduction disturbance: 4:2 atrioventricular (A-V) block. This pattern of A-V block is explainable by two different mechanisms of concealed conduction: two different levels of block in the A-V nodal region and dual A-V nodal pathways with concealed retrograde conduction of P waves. These concepts can also explain a variety of other unusual conduction disturbances.

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          Author and article information

          Journal
          CRD
          Cardiology
          10.1159/issn.0008-6312
          Cardiology
          S. Karger AG
          0008-6312
          1421-9751
          1986
          1986
          11 November 2008
          : 73
          : 2
          : 111-114
          Affiliations
          Division of Cardiology, St. Vincent Hospital, University of Massachusetts Medical School, Worcester, Mass., USA; Monash University Department of Medicine and Cardiology Service, Alfred Hospital, Prahran, Australia
          Article
          173992 Cardiology 1986;73:111–114
          10.1159/000173992
          3955581
          8e0d96a1-9c07-4e79-8ac4-ceb058cce22c
          © 1986 S. Karger AG, Basel

          Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

          History
          : 27 May 1985
          : 21 July 1985
          Page count
          Pages: 4
          Categories
          Case Report

          General medicine,Neurology,Cardiovascular Medicine,Internal medicine,Nephrology
          Wenckebach block,Atrioventricular (A-V) block,Concealed conduction

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