title: Study of intraventricular conduction times in patients with left bundle-branch block and left axis deviation and in patients with left bundle-branch block and normal QRS axis using His bundle electrograms.
mesh_terms: D000328:Adult; D000368:Aged; D000787:Angina Pectoris / Q000503:physiopathology; D002037:Bundle-Branch Block / Q000175:diagnosis / Q000503:physiopathology* / Q000628:therapy; D004562:Electrocardiography; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial; D013575:Syncope / Q000503:physiopathology / Q000628:therapy