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

Here are the 5 most notable ASD Symptoms you should know about autism. ASD symptoms can show in people if young is three years old and persist throughout their life Although the words ASD symptoms doesn’t really justify what it actually is, these are usually known as autistic traits or autism characteristics.  once you can understand ASD symptoms in somebody it’s easier than to notice when they are experiencing meltdowns or uncomfortable situations and you will be able to help them appropriatel