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Understanding 12-Lead EKGs : A Practical Approach

by: Beasley, Brenda M.; West, Michael C.

Understanding 12-Lead EKGs : A Practical Approach

by: Beasley, Brenda M.; West, Michael C.

ISBN 13:
9780131707894
ISBN 10:
0131707892
Edition: 2nd
Format: Paperback
Copyright: 07/18/2005
Publisher: Prentice Hall
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Summary

EKG interpretation is often a difficult subject for students to learn and understand. With this in mind, Brenda Beasley and Michael West have created Understanding 12-Lead EKGs, a straightforward approach to EKG interpretation that presents all the essential concepts students need to know to master the basics of this challenging field. This comprehensive, reader-friendly book is ideal for self-study or classroom use, making it the perfect resource for both students and practicing health care professionals. Chapter topics include cardiovascular anatomy and physiology; basic electrophysiology; the electrical conduction system; the electrocardiogram; interpretation of an EKG strip; acute myocardial infarction; iscemia, injury and necrosis; interpretation of: inferior MIs, anterior MIs, septal MIs, lateral MIs, and posterior MIs; bundle branch blocks and axis deviations; therapeutic modalities; and cardiovascular pharmacology.For pre-hospital care and nursing providers, cardiac care monitor technicians, medical students, physicians, and ACLS candidates.

Foreword

Preface

xiii

The Anatomy of the Heart (Structure)

(14)

Objectives

(1)

Introduction

(9)

Anatomy of the Heart

(1)

Location, Size, and Shape of the Heart

(1)

Layers of the Heart

(1)

Valves of the Heart

(2)

Arteries, Veins, and Capillaries

(4)

Summary

(1)

Key Points to Remember

(1)

Review Questions

(3)

Cardiovascular Physiology (Function)

(10)

Objectives

(1)

Introduction

(5)

Blood Flow Through the Heart

(1)

Cardiac Cycle

(1)

Stroke Volume

(1)

Cardiac Output

(1)

Autonomic Nervous System

(1)

Receptors and Neurotransmitters

(2)

Summary

(1)

Key Points to Remember

(1)

Review Questions

(3)

Basic Electrophysiology

(10)

Objectives

(1)

Introduction

(5)

Basic Cell Groups

(1)

Primary Cardiac Cell Characteristics

(1)

Major Electrolytes That Affect Cardiac Function

(1)

Movement of Ions

(1)

Cardiac Depolarization

(1)

Cardiac Repolarization

(1)

Refractory Periods

(1)

Summary

(1)

Key Points to Remember

(1)

Review Questions

(3)

The Electrical Conduction System

(9)

Objectives

(1)

Introduction

(4)

SA Node

(1)

Internodal Pathways

(1)

AV Node

(2)

AV Junction

(1)

Bundle of His

(1)

Bundle Branches

(1)

Purkinje's Network

(1)

Summary

(1)

Key Points to Remember

(1)

Review Questions

(3)

The Electrocardiogram

(20)

Objectives

(1)

Introduction

(14)

Electrical Basis of the EKG

(2)

EKG Leads

(5)

EKG Graph Paper

(2)

EKG Waveforms

(3)

Standard 12-Lead EKG Waveforms

(2)

Summary

(1)

Key Points to Remember

(1)

Review Questions

(3)

Interpretation of EKG Strips

(15)

Objectives

(1)

Introduction

(10)

General Rules

(1)

The Five-Step Approach

(5)

The 5 + 3 Approach

(1)

ST Segment Depression

(1)

ST Segment Elevation

(1)

Q Wave

(2)

Summary

(1)

Key Points to Remember

(1)

Review Questions

(3)

Acute Myocardial Infarction

(11)

Objectives

(1)

Introduction

(6)

Coronary Anatomy

(2)

Pathology

(2)

Standard Treatment Modalities

(1)

Noncardiac Causes of Chest Pain

(1)

Clinical Significance

(1)

Patient Assessment

(1)

Summary

(1)

Key Points to Remember

(1)

Review Questions

(3)

Myocardial Ischemia, Injury, and Necrosis

(9)

Objectives

(1)

Introduction

(4)

Time Is Muscle (Myocardium)

(1)

Infarct Regions and Definitions

(4)

Clinical Significance

(1)

Summary

(1)

Key Points to Remember

(1)

Review Questions

(3)

Interpretation of Inferior MIs

(13)

Objectives

(1)

Introduction

100

(8)

Anatomy and Physiology Review

100

(2)

Transmural Versus Subendocardial Infarctions

102

(1)

Lead-Specific ST Elevation

102

(3)

EKG Changes Related to an Inferior Infarction

105

(1)

Clinical Significance of Inferior MIs

106

(2)

Summary

108

(1)

Key Points to Remember

108

(1)

Review Questions

109

(3)

Interpretation of Anterior MIs

112

(12)

Objectives

112

(1)

Introduction

113

(7)

Anatomy of the Coronary Arteries

113

(1)

``Widowmaker''

114

(1)

Lead-Specific ST Segment Elevation

114

(3)

EKG Changes Commonly Associated with Anterior MIs

117

(1)

Clinical Significance of Anterior MIs

117

(3)

Summary

120

(1)

Key Points to Remember

120

(1)

Review Questions

121

(3)

Interpretation of Septal MIs

124

(10)

Objectives

124

(1)

Introduction

125

(5)

Anatomy of the Interventricular Septum and the Coronary Arteries

125

(1)

Lead-Specific ST Segment Elevation

125

(3)

EKG Changes Commonly Associated with Septal MIs

128

(1)

Clinical Significance of Septal MIs

129

(1)

Summary

130

(1)

Key Points to Remember

130

(1)

Review Questions

130

(4)

Interpretation of Lateral MIs

134

(10)

Objectives

134

(1)

Introduction

135

(5)

Anatomy of the Left Ventricle and the Circumflex Branch of the Left Coronary Artery

135

(1)

Lead-Specific ST Segment Changes

135

(2)

EKG Changes Commonly Associated with Lateral MIs

137

(1)

Clinical Significance of Lateral MIs

138

(2)

Summary

140

(1)

Key Points to Remember

140

(1)

Review Questions

141

(3)

Interpretation of Posterior MIs

144

(13)

Objectives

144

(1)

Introduction

145

(8)

Coronary Artery Anatomy Review

145

(1)

Lead-Specific ST Segment Changes

145

(1)

The Mirror Test

146

(1)

Another Trick for Identifying Posterior MIs

146

(1)

Posterior V Leads

147

(4)

EKG Changes Related to Posterior MIs

151

(1)

Clinical Significance of Posterior MIs

151

(2)

Summary

153

(1)

Key Points to Remember

154

(1)

Review Questions

154

(3)

Axis Deviation and Bundle Branch Blocks

157

(16)

Objectives

157

(1)

Introduction

158

(11)

EKG Leads

158

(1)

The Hexaxial Reference System

159

(1)

Axis Deviation

159

(3)

Bundle Branch Blocks

162

(5)

Clinical Significance of Bundle Branch Blocks

167

(2)

Summary

169

(1)

Key Points to Remember

169

(1)

Review Questions

170

(3)

Therapeutic Modalities

173

(16)

Objectives

173

(1)

Introduction

174

(11)

Fibrinolytics

174

(4)

Emergency External Cardiac Pacing

178

(1)

Defibrillation

179

(4)

Cardioversion

183

(2)

Summary

185

(1)

Key Points to Remember

185

(1)

Review Questions

185

(4)

Cardiovascular Pharmacology

189

(27)

Objectives

189

(1)

Introduction

190

(22)

Oxygen

191

(1)

Sympathomimetics

192

(6)

Sympatholytics

198

(2)

Antidysrhythmics

200

(7)

Analgesics

207

(2)

Antianginals

209

(1)

Alkalinizing Agents

210

(1)

Anticoagulants

210

(2)

Summary

212

(1)

Key Points to Remember

212

(1)

Review Questions

212

(4)

Amazon no longer offers textbook rentals. We do!

Understanding 12-Lead EKGs : A Practical Approach

Understanding 12-Lead EKGs : A Practical Approach

9780131707894

0131707892

Summary

Table of Contents

Supplemental Materials

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Amazon no longer offers textbook rentals. We do!

Understanding 12-Lead EKGs : A Practical Approach

Understanding 12-Lead EKGs : A Practical Approach

9780131707894

0131707892

Summary

Table of Contents

Supplemental Materials

Write a Review

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