title: Correlative studies on electrocardiogram and histopathology of the conduction system. (2) Chronic acquired atrio-ventricular conduction disturbances.
mesh_terms: D000368:Aged; D001283:Atrioventricular Node / Q000473:pathology; D002036:Bundle of His / Q000473:pathology; D002908:Chronic Disease; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000473:pathology* / Q000503:physiopathology; D006329:Heart Conduction System / Q000473:pathology*; D006801:Humans; D008297:Male; D009929:Organ Size