Editing Tetralogy of Fallot (section)

=== Ventricular septal defects ===
Ventricular septal defects (VSDs) are a kind of congenital heart abnormality in which one of the ventricles is missing.<ref name="Dakkak_2021">{{cite book |vauthors=Dakkak W, Oliver TI |chapter=Ventricular Septal Defect |date=2021 |chapter-url=http://www.ncbi.nlm.nih.gov/books/NBK470330/ |title=StatPearls |place=Treasure Island (FL) |publisher=StatPearls Publishing |pmid=29261884 |access-date=2021-12-01 |archive-date=2021-10-28 |archive-url=https://web.archive.org/web/20211028132450/https://www.ncbi.nlm.nih.gov/books/NBK470330/ |url-status=live }}</ref><ref name="NORD" /> Two atria and one big ventricle are common in infants with congenital abnormalities.<ref name="Dakkak_2021" /><ref name="NORD" /> Symptoms of these diseases include an unusually high rate of breathing (tachypnea), a blue hue to the skin (cyanosis), wheezing, a rapid heartbeat (tachycardia), and/or an abnormally enlarged liver, which are similar to those of other congenital heart problems (hepatomegaly).<ref name="Dakkak_2021" /><ref name="NORD" /> VSDs can also lead to a build-up of fluid around the heart, which can lead to congestive heart failure.<ref name="Dakkak_2021" /><ref name="NORD" />