Canine atrioventricular (AV) block, particularly high-grade and third-degree variants, poses a significant risk of syncope and sudden death in affected dogs. Permanent cardiac pacing has become the ...

There are three types of second degree heart block, also called atrioventricular (AV) block. In type I the signal sometimes does not reach the ventricles, causing skipped beats. It is often benign and ...