This condition may be discovered during routine prenatal ultrasound imaging or when the baby is examined shortly after birth. Cyanosis may be present from birth. A heart murmur is generally present at birth and may increase in loudness over several months.
Tests may include the following:
Zipes DP, Libby P, Bonow RO, Braunwald E, eds. Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine, 8th ed. St. Louis, Mo; WB Saunders; 2007.