title: Histopathological examination of concept of left hemiblock.
mesh_terms: D000368:Aged; D004562:Electrocardiography; D004699:Endocardium / Q000473:pathology; D006327:Heart Block / Q000473:pathology*; D006329:Heart Conduction System / Q000473:pathology*; D006346:Heart Septum / Q000473:pathology; D006352:Heart Ventricles / Q000473:pathology; D006801:Humans; D008875:Middle Aged; D009206:Myocardium / Q000473:pathology