2nd Degree Atrioventricular Block
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Key information
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 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.
Already an existing Vetlexicon Equis subscriber? Contact us at [email protected] for an exclusive discount and earn your CPD/CE certificate!