Acyanotic heart disease is a type of congenital heart defect that causes abnormal blood flow. It can range from mild to severe. Babies with the condition can seem out of breath and fatigued.

A ventricular septal defect (VSD) is a hole in the septum, which is the wall separating the two lower chambers of the heart. In many cases, the hole closes on its own. A ventricular septal defect is a ...

“Structural heart disease” is an umbrella term that refers to conditions that affect different structures within the heart. Some of these problems can be present at birth, while others develop later ...