Galen S. Wagner - Marriott’s Practical Electrocardiography

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11th Edition 2008 by LIPPINCOTT WILLIAMS & WILKINS

10th Edition 2001 by LIPPINCOTT WILLIAMS & WILKINS

All rights reserved. This book is protected by copyright. No part of this book may be reproduced in any form by any means, including photocopying, or utilized by any information storage and retrieval system without written permission from the copyright owner, except for brief quotations embodied in critical articles and reviews. Materials appearing in this book prepared by individuals as part of their official duties as U.S. government employees are not covered by the above-mentioned copyright.

This work was completed outside of Dr. Strauss duties at the U.S. Food and Drug Administration (FDA). This book reflects the views of the authors and should not be construed to represent FDAs views or policies.

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Library of Congress Cataloging-in-Publication Data

Wagner, Galen S., author.

Marriotts practical electrocardiography. Twelfth edition / Galen S. Wagner, David G. Strauss.

p. ; cm.

Practical electrocardiography

Includes bibliographical references and index.

ISBN 978-1-4511-4625-7 (alk. paper)

I. Strauss, David G., author. II. Title. III. Title: Practical electrocardiography.

[DNLM: 1. Electrocardiography. 2. Heart Diseasesdiagnosis. WG 140]

RC683.5.E5

616.1207547dc23

2013036495

Care has been taken to confirm the accuracy of the information presented and to describe generally accepted practices. However, the authors, editors, and publisher are not responsible for errors or omissions or for any consequences from application of the information in this book and make no warranty, expressed or implied, with respect to the currency, completeness, or accuracy of the contents of the publication. Application of the information in a particular situation remains the professional responsibility of the practitioner.

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Dedicated to Marilyn Wagner, Mya Sjogren, and Molly and Michael Strauss

Contents

Galen S. Wagner, Tobin H. Lim, and David G. Strauss

Galen S. Wagner, Raymond R. Bond, Dewar D. Finlay, Tobin H. Lim,and David G. Strauss

Galen S. Wagner, Tobin H. Lim, David G. Strauss, and Jacob Simlund

Charles W. Olson, E. Harvey Estes, Jr., Vivian Paola Kamphuis, Esben A. Carlsen, David G. Strauss, and Galen S. Wagner

David G. Strauss, Ljuba Bacharova, Galen S. Wagner, and Tobin H. Lim

David G. Strauss, Tobin H. Lim, and Galen S. Wagner

Galen S. Wagner

Albert Y. Sun and Galen S. Wagner

David G. Strauss, Peter M. van Dam, Tobin H. Lim, and Galen S. Wagner

David G. Strauss, Tobin H. Lim, and Galen S. Wagner

David G. Strauss, Tobin H. Lim, and Galen S. Wagner

David G. Strauss, Tobin H. Lim, and Galen S. Wagner

Galen S. Wagner and David G. Strauss

Galen S. Wagner and David G. Strauss

Galen S. Wagner

Galen S. Wagner

Galen S. Wagner and David G. Strauss

Marcel Gilbert, Galen S. Wagner, and David G. Strauss

Marcel Gilbert, Galen S. Wagner, and David G. Strauss

Galen S. Wagner

Galen S. Wagner

Galen S. Wagner

Wesley K. Haisty, Jr., Tobin H. Lim, and Galen S. Wagner

Henry J. L. Marriott

Use a QR reader app on your smartphone or tablet to scan QR codes throughout this edition and access bonus animations and videos, or visit http://solution.lww.com (see details on inside front cover).

Chapter 1

The Cardiac Cycle of a Myocardial Cell

The Cardiac Cycle of a Series of Myocardial Cells

Recording the Electrocardiogram (ECG)

Electrode Placement for Cardiac Long Axis Electrical Recording

Waveforms of a Long Axis ECG

Left Ventricular Action Potential Delay

Segments and Intervals of the Long Axis ECG

Electrode Placement for Cardiac Short Axis Electrical Recording

Waveforms of a Short Axis ECG

Segments and Intervals of the Short Axis ECG

Chapter 2

Recording the Original Three Limb Leads

Relationships among Leads I, II, and III

Recording the Additional Three Limb Leads

The Clockface of the Frontal Plane

The Clockface of the Transverse Plane

Imaging from the Clockfaces of the Frontal and Transverse Planes

Electrode Misplacement Simulation Software

Chapter 3

Variable P Wave to QRS Complex Relationships

Variable QRS Complex Morphologies

Variable Ventricular Repolarization

Chapter 4

Understanding the Three-dimensional Electrocardiogram: From Vector Loops to the 12-lead ECG

Chapter 9

Simulation of Transmural Myocardial Ischemia: From the Action Potential to 12-lead ECG

Simulation of Subendocardial Ischemia: From the Action Potential to 12-lead ECG

Chapter 14

Problems of Automaticity

Variabilities of Conduction

Initiation of AV Bypass SVT by Competing Conduction Pathways

Variable Re-Entry Termination

Chapter 17

Introduction to Tachyarrhythmias

Tachyarrhythmias: Enhanced Automaticity

Tachyarrhythmias: Micro Re-Entry

Tachyarrhythmias: Macro Re-Entry

Termination of a Re-Entrant Tachyarrhythmia

Chapter 18

Initiation of AV Bypass SVT by Competing Conduction Pathways

Micro and Macro Re-entry Circuits that Cause the AV Junctional Tachyarrhythmias

The Micro and Macro Re-entry Supraventricular Tachyarrhythmias

The Two Mechanisms of Orthodromic AV Bypass Tachycardia

Chapter 19

Atrial and Ventricular Macro Re-Entry Spectra

This symbol, where it appears throughout this edition, indicates that bonus self-help learning digital content is available on the companion website.