Congenital heart defect or disease is a problem that affects the structure of the heart. It is mostly present at birth. Congenital heart defects can affect the valves, walls, arteries, and veins near the hearth or in the heath. They are capable of disrupting the normal flow of blood through the hearth and can be fatal if not detected early. In patients, it can slow down or disrupt the flow of blood or completely block it. The American heart association has estimated that 9 out of every 1000 … [Read more...] about Congenital Heart Defect Symptoms