Tetralogy of Fallot occurs in 3 of every 10,000 live births. It is the commonest cause of cyanotic cardiac disease in patients beyond the neonatal age, and accounts for up to one-tenth of all congenital cardiac lesions [3]
Tetralogy of Fallot occurs in 3 of every 10,000 live births.It is the commonest cause of cyanotic cardiac disease inpatients beyond the neonatal age, and accounts for up toone-tenth of all congenital cardiac lesions [3]