ASD is a defect in the septum between the heart's two upper chambers. The septum is a wall that separates the heart's left and right sides. What causes it? Every child is born with an opening …

Jan 23, 2024 · A large atrial septal defect can send extra blood to the lungs and cause the right side of the heart to work too hard. Without treatment, the right side of the heart grows larger over time and …

Mar 3, 2025 · What Is an Atrial Septal Defect? An atrial septal defect, or hole between your two atria, allows abnormal blood flow between them. An atrial septal defect (ASD) is a hole in the atrial …

Illustration of an atrial septal defect. Atrial septal defect (ASD) is a congenital heart defect in which blood flows between the atria (upper chambers) of the heart.

Dec 14, 2025 · As a baby's heart develops during pregnancy, several openings in the wall divide the upper chambers of the heart (atria). These openings normally close during pregnancy or shortly after …

Atrial septal defect (ASD) is often called hole in the heart. It's a condition where the septum, the wall separating the two upper chambers in the heart (the atria), has a hole or opening. The hole can …

An atrial septal defect (ASD) is a congenital heart defect, a problem with the heart’s structure that is present at birth. Put most simply, an ASD is an abnormal hole in the wall that divides the atria—the …

A hole in the septum between the heart's two upper chambers is called an atrial septal defect (ASD). A hole in the septum between the heart's two lower chambers is called a ventricular septal defect …

An atrial septal defect (ASD) is a condition where there is a hole in the wall between the heart’s two upper chambers. This causes blood to flow between the chambers, making the heart and lungs work …

Oct 17, 2024 · What is an atrial septal defect? An atrial septal defect (ASD) is a congenital heart disease in which there is an opening in the wall (the atrial septum) between the heart's two upper chambers …