tetralogy of Fallot

noun
te·​tral·​o·​gy of Fal·​lot | \te-ˈtral-ə-jē-əv-fä-ˈlō \

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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