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      Short-Term Reproducibility of Ergometric Parameters in Functional Stress Test after Recent Myocardial Infarction


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          In order to assess the short-term reproducibility of the most important ergometric parameters, 108 males (mean age 50.3 ± 7.8 years) underwent a functional stress test (FST) on average 35 days after myocardial infarction. The exercise test was repeated 3 days later in the same conditions. Patients were fasting and in pharmacological washout. The following parameters were analyzed: total work performed (TWP), VO<sub>2</sub>, heart rate (HR), systolic blood pressure (SBP), arrhythmias and S-T segment depression and elevation. TWP and VO<sub>2</sub> values did not show any significant difference during the two tests under the various workloads. HR and SBP responses proved to be well reproducible in patients with HR and SBP not exceeding the mean values obtained from 222 normal subjects who underwent the same exercise test by more than ± 1 SD; reproducibility was significantly lower in the other patients, particularly in patients with HR and SBP exceeding normal values by more than ± 1 SD. Therefore, in this case, further FST are necessary to obtain more reliable parameters to decide on individual pharmacological and exercise prescriptions. Arrhythmias were reproducible up to 67% (p < 0.01) regardless of Lown’s class and the presence of S-T segment depression or elevation. S-T segment depression or elevation was reproducible up to 100%.

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          Author and article information

          S. Karger AG
          07 November 2008
          : 70
          : 3
          : 161-170
          Fondazione Clinica del Lavoro, Istituto di Ricovero e Cura a Carattere Scientifico, Montescano Medical Center, and Department of Cardiology, Bioengineering Service, Montescano (Pavia), Italy
          173587 Cardiology 1983;70:161–170
          © 1983 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.

          : 03 February 1983
          : 28 February 1983
          Page count
          Pages: 10
          Exercise Testing and Rehabilitation

          General medicine,Neurology,Cardiovascular Medicine,Internal medicine,Nephrology
          Recent myocardial infarction,Short-term reproducibility,Physiological parameters,Functional stress test,Arrhythmias,S-T alterations


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