title: Clinical uses of His bundle electrocardiography. Part I.
mesh_terms: D001283:Atrioventricular Node / Q000503:physiopathology; D002036:Bundle of His / Q000503:physiopathology*; D005117:Cardiac Complexes, Premature / Q000150:complications / Q000503:physiopathology; D004562:Electrocardiography; D006327:Heart Block / Q000209:etiology / Q000503:physiopathology; D006329:Heart Conduction System / Q000503:physiopathology*; D011690:Purkinje Fibers / Q000503:physiopathology