title: Left bundle branch block. Clinical and etiological considerations.
mesh_terms: D000328:Adult; D000368:Aged; D002037:Bundle-Branch Block / Q000209:etiology*; D009202:Cardiomyopathies / Q000150:complications; D003327:Coronary Disease / Q000150:complications; D005260:Female; D006349:Heart Valve Diseases / Q000150:complications; D006801:Humans; D006973:Hypertension / Q000150:complications; D008297:Male; D008875:Middle Aged