The 20 Best Mitral Atresia Doctors in North Korea

Mitral valve atresia is a rare congenital (present at birth) defect of the heart’s mitral valve. The mitral valve connects the heart’s left atrium (upper chamber) and left ventricle (lower chamber). In mitral valve atresia blood from the left atrium does not flow to the left ventricle, causing the left ventricle to become underdeveloped, while the body's blood is not properly oxygenated. Mitral valve atresia is often associated with other congenital heart defects, such as transposition of the great arteries, patent ductus arteriosus, and coarctation of the aorta, among others.