Congenital heart disease (CHD) is any change in the anatomy of the heart and its blood vessels that occurs within the first 8 weeks of gestation. The manifestation of CHD is very variable and may occur soon after birth or appear later in childhood or adolescence. The incidence of CHD is 8 to 10 per 1000 live births, or one in one hundred births. In Brazil, 28,900 children are born with CHD per year (1% of the total birth), of […]