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  1. Tetralogy of Fallot (ToF): Symptoms, Causes & Treatment

    Mar 13, 2025 · Tetralogy of Fallot is a congenital heart condition (present at birth) that has four issues in your heart. ToF makes it hard to get enough oxygen to your body.

  2. Tetralogy of Fallot - Symptoms and causes - Mayo Clinic

    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 …

  3. Tetralogy of Fallot - Wikipedia

    Fallot was the first to elegantly describe the four key features that differentiate it from other cyanotic cardiac conditions, and was prominent in the disqualification of a patent foramen …

  4. Tetralogy of Fallot | Congenital Heart Defects (CHDs) | CDC

    Dec 15, 2025 · Tetralogy of Fallot occurs when a when a baby’s heart does not form correctly during pregnancy. People with this condition should schedule routine checkups with a heart …

  5. Tetralogy of Fallot (TOF) - Johns Hopkins Medicine

    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 …

  6. Tetralogy of Fallot (TOF) | Children's Hospital of Philadelphia

    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.

  7. Tetralogy of Fallot | Condition Overview | Columbia Surgery

    Tetralogy of Fallot is a rare but serious birth defect that compromises blood flow from the heart to the rest of the body. This can lead to poor oxygen levels, delayed growth, and other …

  8. Tetralogy of Fallot - American Heart Association

    The American Heart Association explains the congenital heart defect Tetralogy of Fallot in children and adults.

  9. Health Encyclopedia - University of Rochester Medical Center

    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 …

  10. Tetralogy of Fallot | UCSF Department of Surgery

    In tetralogy of Fallot, the aorta is between the left and right ventricles, directly over the VSD. As a result, oxygen-poor blood from the right ventricle flows directly into the aorta instead of into the …