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      Einfluss der Muskelkontraktion auf die Ausbreitungsgeschwindigkeit und Dämpfung der Pulswellen

      Journal of Vascular Research

      S. Karger AG

      Pulse wave, Amplification, Peripheral heart

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          Abstract

          If we suppose that the smooth muscle of the vessel wall develops an additional stress when the vessel wall is stretched, a mathematical analysis shows that in the absence of a natural positive damping of the pulse wave a negative damping constant might result, whereas the propagating speed of the pulse wave will be but slightly altered. This effect occurs only when the additional stress lags behind the elastic deformation. In reality, the positive damping due to visco-elasticity will generally be greater than the negative one due to muscle activity, in such a way that the positive damping will only be reduced by the latter. But some experiments on dogs let us surmise, that the negative damping exceeded the positive one.

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          Author and article information

          Journal
          JVR
          J Vasc Res
          10.1159/issn.1018-1172
          Journal of Vascular Research
          S. Karger AG
          1018-1172
          1423-0135
          1971
          1971
          18 September 2008
          : 8
          : 6
          : 347-354
          Affiliations
          Forschungsinstitut für Kardioangiologie, Freiburg
          Article
          157906 Angiologica 1971;8:347–354
          10.1159/000157906
          © 1971 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: 8
          Categories
          Paper

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