Fal·lot's tetralogy (f -l z )n. 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. |
Fallot's tetralogy
see tetralogy of Fallot.
Fallot's tetralogy
Cardiology A group of 4 congenital heart defects–VSD, pulmonary valve or infundibular stenosis, a dextropositioned aorta which straddles the interventricular septum and right ventricular hypertrophy. Cf
Fallot's pentalogy, Fallot's trilogy, Pink tetralogy of Fallot, Ventricular septal defect.
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