Unrepaired tetralogy of Fallot in a 58-year-old female: factors contributing to the observed survival (case report).

Tetralogy of Fallot (TOF) is the most common form of cyanotic congenital heart disease. Less than 3% of all patients with uncorrected TOF reach their 40 year of life. We present the case of a 58-year-old woman female with uncorrected TOF.