title: His bundle recording in progressive external ophthalmoplegia.
mesh_terms: D000293:Adolescent; D002037:Bundle-Branch Block / Q000150:complications*; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000139:chemically induced / Q000517:prevention & control; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D009886:Ophthalmoplegia / Q000150:complications / Q000503:physiopathology*; D010138:Pacemaker, Artificial