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2nd Degree Atrioventricular Block

7th November 2020 - 21st December 2021


Develop your knowledge and understanding of 2nd degree atrioventricular block in horses. This is a one-part course that can also be taken as part of the 1st, 2nd, and 3rd degree AV blocks course bundle.

This module looks at pathogenesis, diagnosis, treatment, prevention, and outcomes of 2nd degree atrioventricular block in horses, including:

Cause – impulse of supraventricular origin (from sinus node or an atrial ectopic beat) is blocked at the AV node and does not progress to activate the ventricles.
Signs – usually non-pathological.
Diagnosis – ECG and/or auscultation.
Treatment – usually the condition is physiological, and no treatment is required. Very rarely an artificial pacemaker or sympathomimetic agents may be indicated in advanced (pathological) 2nd degrees AVB.
Prognosis – generally excellent, but conversely prognosis is guarded to poor if arrhythmia is not abolished by exercise and horse is symptomatic.

Support and Resources
This online module includes an e-Book with content from Vetstream’s Vetlexicon Equis followed by a quiz leading to a personalized certificate. Written by some of the world’s leading veterinarians, ensuring accuracy and depth of content.

This course was written and peer reviewed by:

  • Karen Blissitt
  • Christopher Brown
  • Wendy Furness
  • Lesley Young
  • Nicole Menzies-Gow

CPD Hours
This module is worth approximately 30 minutes of CPD.

Use Code “WN10” to get 10% off the list price

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7th November 2020
21st December 2021
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