| Norwood procedure | A complex procedure designed to treat aortic atresia with hypoplastic left heart syndrome; sometimes performed in two stages. (05 Mar 2000) |
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| Norwood's operation | In infants with subaortic stenosis and tricuspid atresia; the pulmonary artery is divided and both ends are attached to the aorta, the distal end via a prosthetic graft. (05 Mar 2000) |