most common congenital cardiac lesions are
Transposition of the great arteries, the most common cyanotic congenital heart lesion found in neonates, accounts for 5%â7% of congenital cardiac malformations. It is most common in infants of diabetic mothers.
A congenital heart defect is a problem with the structure of the heart. It is present at birth. Congenital heart defects are the most common type of birth defect. The defects can involve the walls of the heart, the valves of the heart, and the arteries and veins near the heart. They can disrupt the normal flow of blood through the heart.