Cardiac Conduction: Atrioventricular Block

In this course, we teach you how to identify atrioventricular (AV) block on the ECG. We explain the pitfalls commonly encountered in the diagnosis of AV block, and the importance of distinguishing between Mobitz type I and Mobitz type II second degree AV block on the ECG.

2.0 x AMA PRA Category 1 Credits™
Available on the Pro Plan

PLAY INTRODUCTION

Overview

In this course we teach you how to identify first-, second- and third-degree atrioventricular (AV) block on the ECG. We explain the pitfalls commonly encountered in the diagnosis of AV block. You will learn the importance of distinguishing between Mobitz type I and Mobitz type II second degree AV block and you will learn how to do so reliably.

Faculty

Planner and Author: Dr John Seery MB PhD

  • Consultant Physician at St. Vincent's University Hospital, Dublin, Ireland
  • Lecturer at the School of Medicine and Medical Science, University College Dublin, Ireland
  • Studied medicine at the University of Cambridge, United Kingdom
  • A Natural Sciences graduate of Trinity College Dublin, Ireland
  • PhD in Cell Biology from University College London, United Kingdom


Planner: Dr Karen Strahan PhD (University of Cambridge), Head of Editorial
Planner: Tommy O'Sullivan, CME Manager
 

Estimated Time to Complete

2.0 hours

Target Audience

  • Physicians
  • Nurses
  • Nurse Practitioners
  • Physician Assistants
  • Paramedics

Learning Objectives

Upon successful completion of this activity, you will be able to:

  • Diagnose first, second and third-degree atrioventricular (AV) block on the ECG
  • Discriminate between Mobitz type I and Mobitz type II second degree AV block on the ECG
  • Distinguish between non-conducted premature atrial contractions and AV block on the ECG
  • Identify high grade and untypable AV block on the ECG
     

Course Content

  • Introduction
  • First Degree AV Block
  • Second Degree AV Block
  • Pitfalls in Second Degree AV Block
  • Third Degree AV Block
  • Quiz
  • Essential Reading

Release date

31-JUL-2020

Expiration date

30-JUL-2023

Instructions for Participation

Participants must complete the online activity during the valid period as noted above.
Follow these steps:

  1. View videos in sequence
  2. Read the papers on the essential reading list
  3. Complete the quiz
  4. Complete the activity evaluation form to provide feedback for continuing education purposes and for the development of future activities
  5. Download the Certificate of Completion

Relevant Financial Disclosures

Planners and faculty for this activity have no relevant financial relationships with commercial interests to disclose.

Bibliography

Garcia T and Miller G. (2004) Arrhythmia Recognition: The Art of Interpretation. 1st Edition. Chapter 35: Atrioventricular Block. Jones & Bartlett Learning. 

Barold SS and Hayes DL. Second-degree Atrioventricular Block: A Reappraisal. Mayo Clin Proc. 2001;76:44-57. https://www.mayoclinicproceedings.org/article/S0025-6196(11)62080-6/pdf

Barold SS. Case Report: Type I Second-Degree AV Block Masquerading as Type II Block. J Interv Electrophysiol. 2000;4:599-603. https://link.springer.com/content/pdf/10.1023/A:1026520507634.pdf

Barold SS and Herweg B. Second-Degree AV Block Revisited. Herzschrittmacherther Elecktrophysiol. 2012;23:296-304.
https://link.springer.com/article/10.1007%2Fs00399-012-0240-8

Additional Reading

Rosen KM et al. Pseudo A-V Block Secondary to Premature Non-propagated His Bundle Depolarizations. Documentation by His Bundle Electrocardiography. Circulation. 1970;42:367-73. https://www.ahajournals.org/doi/pdf/10.1161/01.CIR.42.3.367


Shenthar J et al. Diagnosis not to be missed: Lyme carditis, rare but reversible cause of complete atrioventricular block. Indian Heart J. 2014;66(6):723-6.
https://www.sciencedirect.com/science/article/pii/S001948321400738X

ACCME Accreditation Statement

Acadoodle, Ltd is accredited by the Accreditation Council for Continuing Medical Education (ACCME) to provide continuing medical education for physicians.

Credit Designation Statement

AMA Physician’s Recognition Award

Acadoodle, Ltd designates this enduring material activity for a maximum of 2.0 AMA PRA Category 1 Credits™. Physicians should claim only the credit commensurate with the extent of their participation in the activity.

 
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