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      Initiation of Ventricular Tachycardia by Supraventricular Beats

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          Abstract

          9 patients (6 males and 3 females, age 5-69 years) with ventricular tachycardia induced by supraventricular beats are reported. 3 patients had had previous myocardial infarction, 1 patient had mitral valve prolapse and in 5 patients no organic heart disease could be demonstrated. Ventricular tachycardia was initiated by a single atrial premature beat in 4 patients, double atrial premature beats in 3 patients (in 1 of them following exercise), by nonsustained AV nodal tachycardia in 1 patient, by rapid atrial pacing in 3 patients and exercise-related ectopic atrial tachycardia in 1 patient. Programmed ventricular stimulation induced ventricular tachycardia in all patients in whom the tachycardia was induced by atrial stimulation. Verapamil abolished sustained ventricular tachycardia in 1 of the 3 patients in whom this drug was administered. Hypotheses are made on the electrophysiological mechanisms of the arrhythmias and clinical implications are listed.

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          Author and article information

          Journal
          CRD
          Cardiology
          10.1159/issn.0008-6312
          Cardiology
          S. Karger AG
          0008-6312
          1421-9751
          1982
          1982
          07 November 2008
          : 69
          : 4
          : 203-213
          Affiliations
          a Department of Cardiology, Ichilov Hospital, Tel-Aviv, Israel; bDepartment of Cardiology, Kaplan Hospital, Rehovot, Israel; cDepartment of Cardiology, Bikur Holim Hospital, Jerusalem, Israel
          Article
          173505 Cardiology 1982;69:203–213
          10.1159/000173505
          7172169
          © 1982 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: 11
          Categories
          Original Paper

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