title: Pacing the human cardiac conduction system during open-heart surgery.
mesh_terms: D000293:Adolescent; D000328:Adult; D002036:Bundle of His / Q000503:physiopathology; D002648:Child; D002675:Child, Preschool; D004558:Electric Stimulation; D004562:Electrocardiography; D006325:Heart Atria / Q000503:physiopathology; D006329:Heart Conduction System / Q000503:physiopathology*; D006330:Heart Defects, Congenital / Q000601:surgery*; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D008875:Middle Aged