Skip to main content
Home
Understanding the Electrocardiogram

Main navigation

  • Home
  • Understanding ECGs
    • Introduction
User account menu
  • Log in

Breadcrumb

  1. Home
  2. Understanding the Electrocardiogram In Health & Disease
  3. 1.0.0 Generation of the ECG
  4. 1.2.0 SA Node & Pacemakers

1.2.6


Need to use Firefox or Chrome

If impulses arising in the sinus node are inhibited or if their propagation to the remainder of the heart is blocked, then the subsidiary pacemaker with the next most rapid rate of discharge becomes the dominant pacemaker, assuming the role as the battery for the entire heart.

If the sinus node impulses are blocked above the AV node, the escape pacemaker is usually located in the atria or in the AV node.

Book traversal links for 1.2.6

  • 1.2.5
  • Up
  • 1.2.7

Site is under construction

Book navigation

  • Introduction to First Edition
  • 1.0.0 Generation of the ECG
    • 1.1.0 Basic Physiology
    • 1.2.0 SA Node & Pacemakers
      • 1.2.1
      • 1.2.2
      • 1.2.3
      • 1.2.4
      • 1.2.5
      • 1.2.6
      • 1.2.7
    • 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
  • 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
Powered by Drupal