Abstract
Infants with the hypoplastic left heart syn drome present a reproducible appearance that terminates in irreversible shock during the neonatal period. There is disagreement over the exact cause of this appearance.
This case involves a newborn infant with tricuspid atresia and transposition of the great arteries, and with the clinical appear ance and course usually reserved for neo nates with the hypoplastic left heart syn drome. Accurate diagnosis is crucial in all such infants to correctly distinguish those with a hopeless outcome from those ame nable to palliative cardiovascular surgery. This case supports the contention that ductal closure alone is not the principal cause of death in infants with hypoplastic left heart syndrome.
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