The 20 Best Atrioventricular Septal Defect Doctors in Bulgaria

An atrioventricular defect (AVSD) is a congenital heart malformation in which there are holes in the walls between the atria and ventricles (upper and lower chambers) of the heart combined with the presence of abnormal heart valves. An atrioventricular defect causes blood to flow abnormally between all four chambers of the heart. There are two types of atrioventricular defects: 1) complete atrioventricular defect, and 2) partial or incomplete atrioventricular defect.