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What does aortic overriding mean with tetralogy of fallot?

3 doctors weighed in
Dr. Danae Steele
Obstetrics & Gynecology - Maternal Fetal Medicine
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In brief: Over a VSD

The aorta is normally attached to the left ventricle and carries oxygenated blood to the body.
In tetralogy of fallot, the aorta arises over a ventricular septal defect (vsd, a hole between the left and right ventricles of the heart). This means that unoxygenated blood from the right ventricle also flows into the aorta.

In brief: Over a VSD

The aorta is normally attached to the left ventricle and carries oxygenated blood to the body.
In tetralogy of fallot, the aorta arises over a ventricular septal defect (vsd, a hole between the left and right ventricles of the heart). This means that unoxygenated blood from the right ventricle also flows into the aorta.
Dr. Danae Steele
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