Congenital heart defects are cardiac anomalies that involve the heart chambers, valves, and great vessels. Their cause is unknown in 90% of the cases. Congenital heart disease is frequently associated with other congenital defects. For example, cataracts, skeletal anomalies and deafness are seeing more commonly in people with congenital heart disease https://medcrine.com/congenital-heart-defects 242 views(D)(A)(N), 17:16