All::Cardiovascular System::Diseases::Atrioventricular block
Intro
What is Atrioventricular block?
impaired electrical conduction between the atria and ventricles
What is First-degree heart block?
PR interval > 0.2 seconds
What is Second-degree heart block, type 1?
progressive prolongation of the PR interval until a dropped beat occurs
What is Second-degree heart block, type 2?
PR interval is constant but the P wave is often not followed by a QRS complex
What is Wenckebach heart block?
Second-degree heart block, type 1 (Mobitz I)
What is Third-degree (complete) heart block?
there is no association between the P waves and QRS complexes