title: Understanding atrioventricular blocks, part I: first-degree and second-degree atrioventricular blocks.
authors.affiliation: Quality Education Services, Seattle, Washington, USA. qeskrit@aol.com
authors.forename: Carol
authors.initials: C
authors.lastname: Jacobson
mesh_terms: D054537:Atrioventricular Block / Q000145:classification* / Q000175:diagnosis / Q000503:physiopathology; D004562:Electrocardiography; D006801:Humans