tetralogy of Fallot
a congenital heart defect producing cyanosis; characterized by four symptoms: pulmonary stenosis and ventricular septal defect and malposition of the aorta over both ventricles and hypertrophy of the right ventricle • Syn: Fallot's tetralogy, Fallot's syndrome • Hypernyms: congenital heart defect, syndrome • Part Meronyms: pulmonary stenosis, ventricular septal defect
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