Signs and symptoms depend on the cyanotic congenital heart disease pdf type of problem. Symptoms can vary from none to life-threatening. It does not cause chest pain.
Most congenital heart problems do not occur with other diseases. The cause of a congenital heart defect is often unknown. Having a parent with a congenital heart defect is also a risk factor. Some defects do not need treatment. Occasionally a number of operations may be needed. With appropriate treatment outcomes, even with complex problems, are generally good. In 2015 they were present in 48.