Third-degree atrioventricular nodal block, also known as third-degree heart block or complete heart block, occurs when no action potentials conduct through the AV node. This results in the P waves ...

This is different than “complete heart block," another form of third-degree heart block, where no sinus node activity conducts through the AV node to the ventricles at all. Treatment of high ...

Third-degree heart block is a medical emergency. It causes a complete disruption of electrical signals to the ventricles and can lead to severe complications. Steps to promote heart health and ...