Congenital heart defects range from simple to complex. Some can be watched by the child's physician and managed with or without medications, while others will require surgery, sometimes as soon as in the first few hours after birth.
A child may even "grow out" of some of the simpler heart defects, such as patent ductus arteriosus (PDA) or atrial septal defect (ASD), as these defects may resolve on their own as the child grows.
Other infants will have a combination of defects and require several operations throughout their lifetime.
Congenital heart defects can be classified into several categories in order to better understand the problems the baby will experience.
Too Much Blood Passes through Lungs
These defects allow oxygen-rich (red) blood that should be traveling to the body to recirculate through the lungs, causing increased pressure and stress in the lungs. Examples include:
Too Little Blood Passes through Lungs
These defects allow blood that has not been to the lungs to pick up oxygen (and, therefore, is oxygen-poor) to travel to the body. The body does not receive enough oxygen with these heart problems, and the baby will be cyanotic, or "blue." Examples include:
Too Little Blood Travels to Body
These defects are a result of underdeveloped chambers of the heart or blockages in blood vessels that prevent the proper amount of blood from traveling to the body to meet its needs. Examples include:
Combination of Defects
Sometimes, there will be a combination of several heart defects, making for a more complex problem that can fall into several of these categories.