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      24-Hour Electrocardiographic Study in Myotonic Dystrophy

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          Abstract

          Thirty-eight consecutive adult patients with myotonic dystrophy were included in a study with electrocardiography at rest and 24-hour ambulatory electrocardiography. The patients were subdivided into three groups according to the severity of the disease. The prevalence of abnormal electrocardiograms at rest was 31, 50 and 100% in patients with mild, moderate and severe disease, respectively. The main characteristics observed at ambulatory electrocardiography were a high frequency of sinus bradycardia (58%) and intermittent atrioventricular block II (8 %). These bradyarrhythmias were not correlated to the severity of the disease. Sustained atrial fibrillation or flutter was found in 3 patients (8%), all with the most severe form of the disease. Ambulatory electrocardiography should be used deliberately in the evaluation of patients with myotonic dystrophy and symptoms compatible with cardiac arrhythmias.

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          Author and article information

          Journal
          CRD
          Cardiology
          10.1159/issn.0008-6312
          Cardiology
          S. Karger AG
          0008-6312
          1421-9751
          1988
          1988
          11 November 2008
          : 75
          : 4
          : 241-249
          Affiliations
          Departments of Internal Medicine and Clinical Physiology, University Hospital, Umeå, Sweden; Department of Internal Medicine, County Hospital, Boden, Sweden; Department of Internal Medicine, County Hospital, Luleå, Sweden
          Article
          174380 Cardiology 1988;75:241–249
          10.1159/000174380
          3167913
          0cf6efc0-d135-45aa-bfb5-0748dded5adf
          © 1988 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
          : 05 October 1987
          : 11 February 1988
          Page count
          Pages: 9
          Categories
          Original Paper

          General medicine,Neurology,Cardiovascular Medicine,Internal medicine,Nephrology
          Electrocardiography,Arrhythmias,Myotonic dystrophy,Ambulatory

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