title: Block of the posterior subdivision of the left bundle branch of His.
mesh_terms: D000818:Animals; D002037:Bundle-Branch Block / Q000503:physiopathology*; D004285:Dogs; D004562:Electrocardiography; D006329:Heart Conduction System / Q000503:physiopathology*; D006346:Heart Septum / Q000502:physiology; D014672:Vectorcardiography