Atrial septal defect (ASD) is a hole in the wall between the heart’s two upper chambers. ASD is a congenital heart defect, meaning it is present from birth. In some cases of ASD, a small hole may only ...

An atrial septal defect is a congenital heart issue. According to the Centers for Disease Control and Prevention (CDC), it develops in about 1 in 1,859 babies in the United States. An atrial septal ...

The term “heart murmur” might sound scary, but having one doesn’t necessarily mean having a heart condition. Many heart murmurs go away on their own. Share on Pinterest You might never have thought ...