Knowledge Base

Complete Heart Block (3rd Degree AV Block)

Knowledge Base

title: "Complete Heart Block (3rd Degree AV Block)"

Complete Heart Block (3rd Degree AV Block)

Key Facts

Complete heart block is AV dissociation: atria and ventricles beat independently.

Unstable bradycardia is treated with atropine, pacing (transcutaneous/transvenous), and treating reversible causes.

Overview

This article covers recognition and immediate ED management priorities.

ECG examples

Complete heart block (schematic)
Complete heart block (example ECG)LITFL ECG Library (CC BY-NC-SA 4.0)

Sources

  • CC Bible
  • LITFL ECG Library

Test Your Knowledge

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Related Topics

See also: Shock: The Complete Guide, Advanced Life Support (ALS)