What causes third-degree atrioventricular (AV) block?

Updated: Jul 05, 2018
  • Author: Akanksha Agrawal, MBBS; Chief Editor: Jeffrey N Rottman, MD  more...
  • Print
Answer

Atrioventricular (AV) block results from various pathologic states that cause infiltration, fibrosis, or loss of connection in portions of the healthy conduction system. Third-degree AV block (complete heart block) can be either congenital or acquired.


Did this answer your question?
Additional feedback? (Optional)
Thank you for your feedback!