Tetralogy of Fall Four abnormal bes that results in insufficiently oxygenated blood d to the bod 1. Narrowing of the pulmonary valve 3. Displacment of aorta oyer ventricular septal defect 4. Ventricular sept defect- opening between the left and night ventricles 2. Thickening of wall of right ventricle 爷ADAMNormal Heart