title: An operation for facilitating external pacing of the heart in long-term treatment of heart-block.
mesh_terms: D000818:Animals; D004285:Dogs; D004558:Electric Stimulation; D006327:Heart Block / Q000628:therapy*; D006801:Humans; D009119:Muscle Contraction; D010138:Pacemaker, Artificial; D010369:Pectoralis Muscles; D013903:Thoracic Surgery; D013909:Thorax / Q000601:surgery*