What is the meaning of TOF?

What is the meaning of TOF? Tetralogy of Fallot is a combination of four congenital heart defects. The four defects are a ventricular septal defect (VSD), pulmonary stenosis, a misplaced aorta and a thickened right ventricular wall (right ventricular hypertrophy). Is TOF a heart disease? Tetralogy of Fallot (TOF) is Read more…