Congenital heart defects, or diseases, are problems with the heart’s structure that are present at birth. They may change the normal flow of blood through the heart. Congenital heart defects are the most common type of birth defect, occurring in about one percent of live births in the United States. There are many types of congenital heart defects.

Symptoms of cyanotic congenital heart disease. The classic symptom of CCHD is cyanosis, or the blue coloring of the skin. This often occurs in the lips, toes, or fingers. Another common symptom is.