Tetralogy of fallot overview


 * Associate Editors-In-Chief: Priyamvada Singh, M.B.B.S. [mailto:psingh@perfuse.org], Assistant Editor-In-Chief: Kristin Feeney, B.S. [mailto:kfeeney@perfuse.org]

Overview

 * Tetralogy of Fallot is a congenital heart defect which classically has four anatomical components (obstruction to right ventricular outflow, right ventricular hypertrophy, ventricular septal defect, overriding of aorta).
 * Its incidence is approximately 10% of all forms of congenital heart disease.
 * It is the commonest cause of cyanosis in children over one year of age (blue baby syndrome).