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      Time Course of Changes in P-Wave Duration during Exercise

      research-article
      , ,
      Cardiology
      S. Karger AG
      P wave, Exercise, Coronary artery disease, Ischemia, Exercise Stress Test (EST)

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          Abstract

          The exercise-induced increase in P-wave duration reported previously has not been studied on a minute-by-minute basis. We measured the P duration in 47 normal subjects and 43 coronary artery disease (CAD) patients each minute during an exercise test. We found that prolongation of the P wave in those with CAD occurs relatively early and the difference between normal subjects and CAD patients is greater near maximum exercise. The data suggest that an increase in P-wave duration may reflect an increase in the left-ventricular end-diastolic pressure and may occur earlier that ST-segment depression.

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          Author and article information

          Journal
          CRD
          Cardiology
          10.1159/issn.0008-6312
          Cardiology
          S. Karger AG
          0008-6312
          1421-9751
          1996
          1996
          19 November 2008
          : 87
          : 4
          : 343-346
          Affiliations
          Memorial Heart Institute, Long Beach Memorial Medical Center, Long Beach, Calif., USA
          Article
          177117 Cardiology 1996;87:343–346
          10.1159/000177117
          8793171
          da6f3c4a-c686-46e7-a78a-4bb1f0f87764
          © 1996 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
          : 28 August 1995
          : 12 September 1995
          Page count
          Pages: 4
          Categories
          Noninvasive and Diagnostic Cardiology

          General medicine,Neurology,Cardiovascular Medicine,Internal medicine,Nephrology
          Coronary artery disease,P wave,Exercise Stress Test (EST),Exercise,Ischemia

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