After the 14th year cardiac deaths begin to increase owing to causes other than congenital cardiac abnormalities. The majority of CHD occurs as an isolated defect and is not associated with other diseases. However, CHD is a part of various genetic and chromosomal syndromes. Drugs, chemicals, and infections during pregnancy may also produce congenital heart abnormalities. See the individual congenital lesions.
Symptoms See the individual congenital lesions.
Signs And Tests See the individual congenital lesions. Treatment See the individual congenital lesions. The prognosis varies depending on the type and extent of the lesion. Complications Many of these disorders respond well to treatment. See the individual disorders.