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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. 1.7.0 Events at the Cellular Level

1.7.8

When all the cells are in their depolarized form, then all the intracellular spaces will be positive with respect to the extracellular space, and all the cells will be at their plateau level of approximately 0 mV. Since all the cells will be at essentially the same voltage, there will be no voltage gradients between the cells, no current flow, no dipole, and no diviation from baseline on the body surface ECG.

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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
      • 1.7.1
      • 1.7.2
      • 1.7.3
      • 1.7.4
      • 1.7.5
      • 1.7.6
      • 1.7.7
      • 1.7.8
      • 1.7.9
      • 1.7.10
      • 1.7.11
      • 1.7.12
    • 1.8.0 Electrodes
    • 1.9.0 ECG Leads and Placement
  • 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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