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Understanding the Electrocardiogram

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  1. Home
  2. Understanding the Electrocardiogram In Health & Disease
  3. 1.0.0 Generation of the ECG
  4. 1.9.0 ECG Leads and Placement

1.9.21

In aVL the left arm lead is positive and the indifferent or reference lead is the combined output of the right arm and left leg leads.

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  • 1.9.20
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  • 1.9.22

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  • Introduction to First Edition
  • 1.0.0 Generation of the ECG
    • 1.1.0 Basic Physiology
    • 1.2.0 SA Node & Pacemakers
    • 1.3.0 Atrial Depolarization
    • 1.4.0 Atrio Ventricular Conduction
    • 1.5.0 Ventricular Depolarization
    • 1.6.0 Repolarization
    • 1.7.0 Events at the Cellular Level
    • 1.8.0 Electrodes
    • 1.9.0 ECG Leads and Placement
      • 1.9.1
      • 1.9.2
      • 1.9.3
      • 1.9.4
      • 1.9.5
      • 1.9.6
      • 1.9.7
      • 1.9.8
      • 1.9.9
      • 1.9.10
      • 1.9.11
      • 1.9.12
      • 1.9.13
      • 1.9.14
      • 1.9.15
      • 1.9.16
      • 1.9.17
      • 1.9.18
      • 1.9.19
      • 1.9.20
      • 1.9.21
      • 1.9.22
      • 1.9.23
      • 1.9.24
      • 1.9.25
      • 1.9.26
      • 1.9.27
      • 1.9.28
      • 1.9.29
  • 2.0.0 The Normal Electrocardiogram
  • 3.0.0 Inter and intra-ventricular Conduction Disturbances
  • 4.0.0 Ventricular Hypertrophy
  • 5.0.0 ELECTROLYTE ABNORMALITIES, DRUG EFFECTS AND THE LONG QT SYNDROMES
  • 6.0.0 Ischemia and Infarction - Introduction (frame i and ii)
  • 7.0.0 Tachycardias- Introduction
  • 8.0.0 The Bradycardias frame i-introduction
  • 9.0.0 The ECG of Heart Murmurs-introduction
  • 10.0.0 The Electrocardiogram in the Emergency Department-Introduction
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