How do I deactivate my account? You can deactivate your account temporarily and choose to come back whenever you want. To deactivate your account: 1  Click the account menu at the top right of any Facebook page.2  Select Settings. 3  Click Security in the left column.4  Choose Deactivate your account then follow the steps to confirm.ow do I deactivate my account? You can deactivate your account temporarily and choose to come back whenever you want. To deactivate your account: 1  Click the account menu at the top right of any Facebook page.
Congenital Heart Disease in Children with Down Syndrome. Children with Down syndrome are at a much higher risk for congenital heart disease. As a comparison: the incidence of congenital heart disease in the general population is 0.8 percent. The incidence of congenital heart disease in children with Down syndrome is between 40-60 percent. Some heart defects can be left alone with careful monitoring while others require surgery to correct the problem. The following types of heart defects in children with Down syndrome are discussed below.
1 Trisomy 21 â More than 90% of Down syndrome cases are caused by trisomy 21. 2  An extra chromosome (chromosome 21) originates in the development of either the sperm or the egg. 3  When the egg and the sperm unite to form the fertilized egg, three (rather than two) chromosomes 21 are present.own syndrome is the most common birth defect in the United States. It was first described in 1866 and is named after John Langdon Down, the doctor who first identified the syndrome. The cause of Down syndrome, also known as trisomy 21, was discovered in 1959.