Atrial septal defect is a congenital heart condition in which a hole in the wall of the heart separates the top two chambers and allows blood to transition from the left atrium to the right atrium ultimately causing enlargement of the right heart chambers. Find out more about how this condition can affect adults later in life. https://mayocl.in/2XrbD8J | Mayo Clinic

How it works? Transcatheter closure of Atrial Septal Defect (ASD) An atrial septal defect (ASD) is a congenital heart defect that involves a hole in the atrial septum. This is the muscular wall that separates the two upper chambers (atria) of the heart. Every child is born with an opening between the upper heart chambers. It's a normal fetal opening that allows blood to detour away from the lungs before birth. After birth, the opening is no longer needed and usually closes or becomes very small