TOF Children born with TOF have a combination of four cardiac anatomic characteristics:Ventricular septal defect: There is a hole between the right and left pumping chambers (ventricles) of the heart.Right ventricular outflow tract obstruction: The connection between the right ventricle and lung (pulmonary) artery is narrowed, and blood flow to the lungs is blocked. This is what causes babies to be .. 2020. 4. 17. 이전 1 다음