title: Atrioventricular block. Mechanism, clinical presentation, and therapy.
abstract: The mechanism of AV block and bifascicular block and the role of His bundle electrocardiography in localizing the site of AV block are reviewed. The clinical presentation and therapy of the different types of AV block and the indications for permanent pacing are discussed.
mesh_terms: D001283:Atrioventricular Node / Q000503:physiopathology; D002036:Bundle of His / Q000503:physiopathology; D004562:Electrocardiography; D006327:Heart Block / Q000145:classification / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D010138:Pacemaker, Artificial; D011690:Purkinje Fibers / Q000503:physiopathology