title: Cardiac arrhythmias. 1. Anatomy of the conduction system.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000209:etiology*; D004562:Electrocardiography; D004719:Endomyocardial Fibrosis / Q000473:pathology; D006327:Heart Block / Q000209:etiology; D006329:Heart Conduction System / Q000002:abnormalities* / Q000033:anatomy & histology / Q000473:pathology / Q000503:physiopathology; D006330:Heart Defects, Congenital / Q000150:complications*; D006801:Humans; D009203:Myocardial Infarction / Q000473:pathology; D014672:Vectorcardiography