Definition of Tetralogy of Fallot
Tetralogy of Fallot: A combination of four heart defects that are present at birth and account for about 10 percent of all congenital heart disease:
Open-heart surgery is done on patients with tetralogy of Fallot in infancy or early childhood. Untreated tetralogy of Fallot is usually fatal before age 20. With open-heart surgery, the patient has an excellent chance of survival.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 3/19/2012
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