Transposition of the Great Arteries (d-TGA) Transposition of the Great Arteries (d-TGA)Transposition of the great arteries (TGA) is a heart defect that occurs from birth (congenital). The two major arteries that carry blood away from the heart -- the aorta and the pulmonary artery -- are switched (transposed).Causes:The cause of TGA is unknown. It is not associated with any one common genetic abnormality. It rarely occurs in other family .. 2020. 4. 25. 이전 1 다음