† Primum (2 patients), secundum (68 patients) and sinus defects (4 patients). § Surgical branch of the study. TEE = Transesophageal echocardiography. *Children and adults. † Percutaneous branch of the ...

Atrial septal defect is an abnormal hole in the fibrous membrane separating the two smaller, collecting chambers of the heart (atria). There are no clear reasons for the development of septal defects.

This paper presents serial cardiac-catheterization data showing spontaneous functional closure of large symptomatic defects in 3 infants. One had an associated moderate-sized patent ductus arteriosus ...

Beijing Zhongke Journal Publising Co. Ltd. Congenital heart defects (CHDs) are the most common birth defects, occurring in approximately 0.9% of live births. Sadly, they are also the leading cause of ...

Congenital heart defects (CHDs) are a leading cause of birth defect-related deaths, but many of the critical genes involved are unknown, and those that are known often contribute only small increases ...

An atrial septal defect is an opening in the wall that separates the upper chambers of the heart. It is one of the most common congenital heart defects, which are structural problems that develop ...