Definition: A cyanotic congenital heart defect in, in which the two main arteries are reversed—ventriculoarterial discordance—, i.e., the pulmonary artery arises from the left ventricular outflow tract and the aorta arises from the right ventricular outflow tract: .
Synonym(s): dextro-transposition of the great arteries, d-TGA
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