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      Polarcardiographic (Triaxicardiometric) Study on the Effect of Isosorbide Dinitrate on Exercise-Induced Myocardial Ischemia

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          Abstract

          30 patients suffering from stable angina pectoris were studied by triaxicardiometric (polarcardiographic) method. Triaxicardiometry including the X, Y, Z Frank leads, azimuth (H°), elevation (V°) angle derivations and spatial magnitude (M) tracings were taken at rest and after submaximal bicycle ergometer exercise. After receiving 30 mg/day isosorbide dinitrate for a minimum of 5 days the whole procedure was repeated, stored by an analogue tape recorder and evaluated by a TPA/i computer. It has been stated that the method of triaxicardiometry has an excess sensitivity on the demonstration of ischemic alteration of anterior and posterobasal left ventricular wall compared to the traditional X, Y, Z leads. According to the pre- and post-exercise bicycle ergometer testing estimated by triaxicardiometry, isosorbide dinitrate caused a significant reduction of subendocardial myocardial ischemia.

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          Author and article information

          Journal
          CRD
          Cardiology
          10.1159/issn.0008-6312
          Cardiology
          S. Karger AG
          978-3-8055-3437-6
          978-3-318-00026-9
          0008-6312
          1421-9751
          1981
          1981
          07 November 2008
          : 68
          : Suppl 2
          : 147-152
          Affiliations
          2nd Medical Clinic of the Postgraduate Medical School, Budapest (Director: Prof. Dr. Zoltán Antalóczy) and Central Research Institute for Physics, Budapest, Hungary (Director: Prof. Dr. Ferenc Szabó)
          Article
          173330 Cardiology 1981;68:147–152
          10.1159/000173330
          7317894
          © 1981 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: 6
          Categories
          Drug Effect

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