Also known as complete heart block, third-degree heart block is the most serious type of heart block. Considered a medical emergency, it can be fatal without prompt treatment. The steady beating ...

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 ...

High-grade AV block, also known as advanced heart block, is a form of third-degree heart block. This occurs when AV dissociation is present; however, intermittently some sinus node action ...