一、先天性心脏病的定义先天性心脏病简称先心病(Congenital Heart Disease,CHD),是指胎儿时期心血管发育异常对心功能产生实际或潜在影响的一组先天畸形,为目前最常见的先天性畸形,也是引起婴幼儿死亡的首要原因。先心病中约有20%常伴有心脏外其他系统畸形,称之为先天性心脏病 First, the definition of congenital heart disease congenital heart disease referred to as congenital heart disease (Congenital Heart Disease, CHD), refers to the fetal cardiovascular dysfunction during heart function has a real or potential impact on a group of congenital malformations, is the most common Congenital malformations, but also the leading cause of infant deaths. About 20% of congenital heart disease often accompanied by other system abnormalities outside the heart, known as congenital heart disease