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      Clinical Usefulness of Computer Diagnosis in Automated Electrocardiography

      , ,

      Cardiology

      S. Karger AG

      Bonner I program, Rhythm analysis, Contour analysis

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          Abstract

          We evaluated the clinical usefulness of the automated ECG analysis system with the Bonner I program based on 1,460 ECGs of which 45.8% were abnormal. Both computer and physician agreed in 93.8% of the 1,460 cases on rhythm analysis, in 89.5% on contour analysis and in 83.6% on both rhythm and contour analysis. Myocardial infarction, LVH and ST abnormality were correctly diagnosed in 81.0, 69.7 and 82.0%, respectively, and error ratios of these diagnoses were 0.50, 0.58, 0.52, respectively. WPW syndrome and electronic pacemaker were rarely diagnosed by the computer. 43 cases diagnosed by the computer as ‘normal sinus rhythm or sinus bradycardia with normal contour ECG’ were of abnormal ECGs. The most frequent causes of disagreement between computer and physician in the diagnosis of myocardial infarction, LVH and ST abnormality were differences in criteria. Since there are several cases of misdiagnoses in the clinically important ECG abnormalities, such as myocardial infarction, it will still be necessary for cardiologists to review all computer-processed ECGs. Nevertheless, the physician’s clerical work would be reduced greatly by using the system when we consider the fact that both computer and physician agreed on the diagnosis of rhythm and contour analysis in 83.6% of the 1,460 cases.

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          Author and article information

          Journal
          CRD
          Cardiology
          10.1159/issn.0008-6312
          Cardiology
          S. Karger AG
          0008-6312
          1421-9751
          1980
          1980
          31 October 2008
          : 66
          : 3
          : 174-189
          Affiliations
          Department of Medicine, School of Medicine, Kitasato University, Kanagawa
          Article
          170862 Cardiology 1980;66:174–189
          10.1159/000170862
          6996814
          © 1980 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.

          Page count
          Pages: 16
          Categories
          Original Paper

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