tetralogy of Fallot

noun
te·​tral·​o·​gy of Fal·​lot | \ te-ˈtral-ə-jē-əv-fä-ˈlō How to pronounce tetralogy of Fallot (audio) \

Medical Definition of tetralogy of Fallot

: a congenital abnormality of the heart characterized by pulmonary stenosis, an opening in the interventricular septum, malposition of the aorta over both ventricles, and hypertrophy of the right ventricle

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