Tetralogy of Fallot (TOF) is a combination of four congenital (present at birth) heart defects that affect infants and children. The defects occur together and change the way blood flows through the heart …

Though the exact cause of TOF is unknown, an association that has been observed is an anterior deviation of the infundibular septum that results in a misaligned VSD, with an overriding aorta …

In most children, the cause of tetralogy of Fallot isn't known. It's a common type of heart defect. It may be seen more commonly in children with Down syndrome or DiGeorge syndrome. Some children can …

Oct 28, 2023 · Tetralogy of Fallot (teh-TRAL-uh-jee of fuh-LOW) is a rare heart condition that is present at birth. That means it's a congenital heart defect. A baby born with the condition has four different …

Mar 13, 2025 · Tetralogy of Fallot (ToF) is a condition in which a baby has four abnormalities in their heart at birth. These issues make it hard for your baby’s heart to send enough oxygen to their entire …

Tetralogy of Fallot (TOF) is a congenital heart defect that can be diagnosed either before or after a baby is born. Learn more about TOF.

Tetralogy of Fallot is most often diagnosed in the first few weeks of life due to either a loud murmur or cyanosis. Babies with tetralogy of Fallot usually have a patent ductus arteriosus at birth that provides …

What is tetralogy of Fallot? Tetralogy of Fallot (TOF) is a set of 4 congenital heart defects that happen together. Tetralogy refers to the number 4. Congenital means that a baby is born with them. The set …

Tetralogy of Fallot (TOF or "TET") is a condition of several related congenital (present at birth) defects that occur due to abnormal development of the prenatal heart during the first eight weeks of pregnancy.

What is tetralogy of Fallot? Tetralogy of Fallot (TOF) is a serious congenital heart defect affecting about two in 10,000 babies. In TOF, a set of four abnormalities in the heart’s anatomy prevent enough …