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2. Cardiac shunt - Wikipedia

   en.wikipedia.org/wiki/Cardiac_shunt

   A left-to-right shunt is when blood from the left side of the heart goes to the right side of the heart. This can occur either through a hole in the ventricular or atrial septum that divides the left and the right heart or through a hole in the walls of the arteries leaving the heart, called great vessels.

3. Atrial septal defect - Wikipedia

   en.wikipedia.org/wiki/Atrial_septal_defect

   Atrial septal defect (ASD) is a congenital heart defect in which blood flows between the atria (upper chambers) of the heart.Some flow is a normal condition both pre-birth and immediately post-birth via the foramen ovale; however, when this does not naturally close after birth it is referred to as a patent (open) foramen ovale (PFO).

4. Atrioventricular septal defect - Wikipedia

   en.wikipedia.org/wiki/Atrioventricular_septal_defect

   Open heart surgery Atrioventricular septal defect (AVSD) or atrioventricular canal defect (AVCD), also known as " common atrioventricular canal " or " endocardial cushion defect " (ECD), is characterized by a deficiency of the atrioventricular septum of the heart that creates connections between all four of its chambers.

5. Atrial septostomy - Wikipedia

   en.wikipedia.org/wiki/Atrial_septostomy

   Atrial septostomy is a surgical procedure in which a small hole is created between the upper two chambers of the heart, the atria.This procedure is primarily used to palliate dextro-Transposition of the great arteries or d-TGA (often imprecisely called transposition of the great arteries), a life-threatening cyanotic congenital heart defect seen in infants.

6. Lutembacher's syndrome - Wikipedia

   en.wikipedia.org/wiki/Lutembacher's_syndrome

   This procedure is done through open heart surgery (sternotomy or thoracotomy) using an ECC where the heart is stopped to allow a system of special cannulas to be placed. The hole is closed by a direct suture (sewing) if the hole is small enough or if the hole is larger, suturing (sewing) a small patch of pericardium (heart tissue or skin) or ...

7. Trilogy of Fallot - Wikipedia

   en.wikipedia.org/wiki/Trilogy_of_Fallot

   An atrial septal defect is a hole in the septum that divides the right and left atria (the upper two chambers) of the heart. In the heart of a developing fetus, there are several holes between the atria, however these are expected to close before birth. This congenital condition arises if one of these holes remains. [6]