title: Ajmaline "stress testing" in chronic bifascicular block.
mesh_terms: D000328:Adult; D000368:Aged; D000404:Ajmaline; D002037:Bundle-Branch Block / Q000175:diagnosis*; D002908:Chronic Disease; D004562:Electrocardiography; D005260:Female; D006329:Heart Conduction System / Q000187:drug effects*; D006801:Humans; D008297:Male; D008875:Middle Aged
chemical_list: D000404:Ajmaline