An<unk>  is a congenital heart defect where the<unk>  is positioned directly over a ventricular septal defect (VSD), instead of over the left ventricle. The result is that the<unk>  receives some blood from the right ventricle, causing mixing of oxygenated and deoxygenated blood, and thereby reducing the amount of oxygen delivered to the tissues. It is one of the four findings in the classic tetralogy of Fallot. The other three findings are right ventricular outflow tract (RVOT) obstruction (most often subpulmonary stenosis), right ventricular hypertrophy (RVH), and ventricular septal defect (VSD).
Overriding aorta
Aortic unfolding
Parasternal heave
Notching of the ribs
Stereoblindness
Crisscross heart
Right-sided aortic arch
Grand Rounds