title: [Unusual course of bundle-branch block].
mesh_terms: D000200:Action Potentials; D000368:Aged; D002036:Bundle of His / Q000503:physiopathology*; D002037:Bundle-Branch Block / Q000175:diagnosis* / Q000503:physiopathology; D004562:Electrocardiography; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans
vernacular_title: Niezwykły przebieg bloku peczka Hisa.