|Fallot's tetralogy (ˈfæləʊz)|
|a congenital heart disease in which there are four defects: pulmonary stenosis, enlarged right ventricle, a ventricular septal defect, and an aorta whose origin lies over the septal defect. In babies suffering this disease the defects can be corrected by surgery|
|[C20: named after E. L. A. Fallot (1850--1911), French physician]|
Fallot's tetralogy Fal·lot's tetralogy (fā-lōz')
A congenital malformation of the heart characterized by a defect in the ventricular septum, misplacement of the origin of the aorta, narrowing of the pulmonary artery, and enlargement of the right ventricle. Also called Fallot's tetrad, tetralogy of Fallot.