title: The fascicular blocks.
mesh_terms: D000818:Animals; D002037:Bundle-Branch Block / Q000503:physiopathology; D004285:Dogs; D004562:Electrocardiography; D006327:Heart Block / Q000175:diagnosis / Q000209:etiology / Q000503:physiopathology*; D006329:Heart Conduction System / Q000033:anatomy & histology / Q000503:physiopathology*; D006346:Heart Septum / Q000503:physiopathology; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D007455:Iodine; D008208:Lymphatic System / Q000503:physiopathology; D013194:Staining and Labeling
chemical_list: D007455:Iodine