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 ...

An ECG relies on electrodes placed on ... your heart rate over a period of days or weeks. Because third-degree heart block involves a complete break in the heart’s electrical system and can ...

This ECG has both second degree AV block ... The R-R intervals will vary unlike in true 3rd degree AV block (complete heart block) where they are regular. There is no definite Wenkebach ...