Overriding aorta

Overriding aorta
Overriding aorta
Classification and external resources

Diagram of a healthy heart and one suffering from overriding aorta
ICD-10 Q25.4
(EUROCAT Q25.42)
ICD-9 747.21

An overriding aorta is a congenital heart defect where the aorta is positioned directly over a ventricular septal defect, instead of over the left ventricle.

The result is that the aorta receives some blood from the right ventricle, which reduces the amount of oxygen in the blood.

It is one of the four conditions of the Tetralogy of Fallot. The other conditions are pulmonary stenosis, RVH (right ventricular hypertrophy), and VSD (ventricular septal defect.)

v · d · eCongenital vascular defects / Vascular malformation (Q25–Q28, 747)
Great arteries/
other arteries
Pulmonary atresia · Stenosis of pulmonary artery
Single umbilical artery
Great veins
Anomalous pulmonary venous connection (Total, Partial) · Scimitar syndrome
Arteriovenous malformation

M: VAS

anat(a:h/u/t/a/l,v:h/u/t/a/l)/phys/devp/cell/prot

noco/syva/cong/lyvd/tumr, sysi/epon, injr

proc, drug(C2s+n/3/4/5/7/8/9)



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