Tetralogy of Fallot (TOF) was jirst described in 1888 by a French physician named Etienne-Louis Arthur Fallot. Tetralogy of Fallot (TOF) is one type of cyanotic congenital heart defect most widely found. Tetralogy of Fallot (TOF) has four abnormalities: (1) pulmonary infundibulum stenosis, (2) VSD (Ventricular Septal Defect), (3) overriding aorta, and (4) right ventricular hypertrophy. Patients…