Tetralogy of Fallot (cont.)
IN THIS ARTICLE
- Tetralogy of Fallot Overview
- Tetralogy of Fallot Causes
- Tetralogy of Fallot Symptoms
- When to Seek Medical Care
- Exams and Tests
- Tetralogy of Fallot Treatment
- Self-Care at Home
- Medical Treatment
- Surgery
- Next Steps
- Follow-up
- Outlook
- For More Information
- Web Links
- Synonyms and Keywords
- Authors and Editors
Tetralogy of Fallot Causes
Tetralogy of Fallot occurs during development of the fetus, before birth, and is therefore termed a congenital birth defect. An error occurs as the fetal heart separates into the chambers, valves, and other structures that make up the normal human heart. No one is really sure why this error occurs.
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Tetralogy of Fallot »
Tetralogy of Fallot (TOF) is one of the most common congenital heart disorders (CHDs).

