Conditions

An atrial septal defect is an opening in the atrial septum, or dividing wall between the two upper chambers of the heart, known as the right and left atria. Learn more about this condition.

Atrioventricular canal defect (AV canal) is a congenital (present at birth) heart defect. Other terms used to describe this defect are endocardial cushion defect and atrioventricular septal defect (AVSD).

Aortic stenosis is a heart defect that may be present at birth (congenital) or it may develop later in life (acquired).

Hypoplastic left heart syndrome (HLHS) is a combination of several abnormalities of the heart and great blood vessels. It is a congenital syndrome.

PDA is a heart problem frequently noted in the first few weeks or months after birth, characterized by the persistence of a normal prenatal connection between the aorta and the pulmonary artery.

Pulmonary atresia (PA) is a heart defect that occurs due to abnormal development of the prenatal heart during the first eight weeks of pregnancy.

Pulmonary stenosis is a congenital (present at birth) defect that occurs due to abnormal development of the prenatal heart during the first eight weeks of pregnancy. Learn more about this condition.

Tetralogy of Fallot is a condition of several related congenital defects that occur due to abnormal development of the prenatal heart during the first eight weeks of pregnancy.

Total anomalous pulmonary venous return is a congenital heart defect in which the vessels that bring oxygen-rich (red) blood back to the heart from the lungs are improperly connected.

Tricuspid atresia (TA) is a congenital (present at birth) heart defect that occurs due to abnormal development of the prenatal heart beginning during the first eight weeks of pregnancy.