TGA Transposition of the great vessels Transposition of the great vessels TGA English Transposition of the great vessels transposition of the great vessels transposition of the great vessels congenital heart defect TGA English serious heart condition TGA TGA transposition of the great vessels. Transposition of the Great Vessels (TGA) (TGA) Transposition of the Great Arteries TGA (TGA) Transposition of the Great Vessels (TGA) TGA (Transposition of Great Arteries)