title: [Electrophysiological peculiarities of the heart. The phenomenon of intermittently fluctuating bundle-branch blockade in extrasystoles].
mesh_terms: D002037:Bundle-Branch Block / Q000503:physiopathology*; D005117:Cardiac Complexes, Premature / Q000150:complications* / Q000503:physiopathology; D004562:Electrocardiography; D006329:Heart Conduction System / Q000503:physiopathology; D006801:Humans
vernacular_title: Elektrophysiologische Besonderheiten des Herzens. Das Phänomen unbeständig-intermittierender Schenkelblockierugen bei Extrasystolen.