
Atrial Septal Defect (ASD)
An Atrial Septal Defect (ASD) is a congenital abnormality characterized by an opening between the two atriaThe atria are the two upper chambers of the heart. They act as reservoirs for blood that will fill the ventricles. of the heart. Often silent during childhood, it may be diagnosed in adulthood. Depending on its size and its impact on the right side of the heart, simple monitoring or closure by catheter or surgery may be recommended.




