Long answers: Tetralogy of fallot is a serious congenital heart defect that requires surgery for long-term survival. The four components of tetralogy of fallot are 1) ventricular septal defect, 2) overriding aorta, 3) subpulmonic stenosis, and 4) right ventricular hypertrophy. This one of the "blue baby" diseases. Diagnosis typically made with echocardiography.
Answered 12/31/2014
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