title: Risk of advanced heart block during surgery in patients with bifascicular block.
mesh_terms: D000328:Adult; D000368:Aged; D002037:Bundle-Branch Block / Q000150:complications; D005260:Female; D006327:Heart Block / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012306:Risk; D013514:Surgical Procedures, Operative / Q000009:adverse effects*