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Doctor insights on: Is Getting A Tetralogy Of Fallot Hereditary

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Is getting a tetralogy of fallot hereditary?

Is getting a tetralogy of fallot hereditary?

Sometimes: Microdeletion of chromosome 22q11 (digeorge syndrome) is a genetic abnormality that has been linked to tof and other forms of congenital heart defects. It also can occur with down syndrome (trisomy 21), and in patients with no identified genetic abnormality. Heart defects occur in 0.8% of babies, but in 3-5% of those with 1st degree relatives with heart defects. There is a genetic predisposition. ...Read more

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Dr. Steven Neish
287 doctors shared insights

Tetralogy Of Fallot (Definition)

condition with this American Heart Association definition: heart defect that features four problems. They are: a hole between the lower chambers of the heart an obstruction from the heart to the lungs The aorta (blood vessel) lies over the hole in the lower chambers The muscle surrounding the lower right ...Read more


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Is tetralogy of fallot hereditary?

Depends on variables: Most cases of complex congenital heart disease happen in a sporadic manner. The general risk of a parent with a chd having a child in these sporadic forms is about 6%.This is not specific to the same defect but includes all defects.When it is part of an autosomal disorder or chromosome deletion syndrome, the risks are higher. ...Read more

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Is tetralogy of fallot a hereditary problem?

Is tetralogy of fallot a hereditary problem?

Not typically.: Most cases are isolated and sporadic. It accounts for 5-10% of all congenital heart defects. 15% of tof cases are part of known genetic syndromes (down, digeorge, alagille, phenylketonuria) or associations (charge/vacterl) and some are linked to poorly controlled preconceptional maternal diabetes mellitus. Recurrence risk: 2.5% with one prior affected child, 8% with two. Folic acid may prevent it! ...Read more

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What causes a baby to get tetralogy of fallot?

What causes a baby to get tetralogy of fallot?

We don't know: In most cases tetralogy of fallot is thought to be "multifactorial", meaning that there are possibly genes, and also environmental factors which might increase a child's potential of having the defect. ...Read more

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What is a tetralogy of fallot?

TOF: A type of congenital (present at birth) heart disease that usually causes cyanosis (blue baby). It is characterized by a large hole in the heart (vsd) and obstruction of blood flow to the lungs (pulmonary stenosis). Babies born with tof require surgery during infancy. ...Read more

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What happens with ?Tetralogy of fallot?

What happens with ?Tetralogy of fallot?

Heart surgery: This is a congenital heart defect knows at "tetralogy" because the initial description discussed four findings: 1) ventricular septal defect, 2) overriding aorta, 3) pulmonary stenosis, 4) right ventricular hypertrophy. The cause is abnormal conotruncal septation, giving too much to the outflow to the aorta and not enough to the outflow to the lungs. This defect always requires surgical repair. ...Read more

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What are the tests for tetralogy of fallot?

Fallot: to diagnose, echocardiogram, but to follow patients with Fallot, there are several different cardiac tests that may be necessary ...Read more

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Could tetralogy of fallot be genetic?

Could tetralogy of fallot be genetic?

Yes: Definitely, some cases of tetralogy of fallot have a genetic component. For instance, in 22q deletion syndromes (digeorge syndrome) one of the common heart diseases is tetralogy of fallot and variants of tetralogy of fallot. ...Read more

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What is the treatment for tetralogy of fallot?

What is the treatment for tetralogy of fallot?

TETRALOGY OF FALLOT : For older children, a knee- chest position or squating will help the tet spell. Surgery called the blalock-taussig shunt is usually done during the first year of life. ...Read more

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What is tetralogy of fallot?

TOF: Tetrology of Fallot is a congenital heart defect consisting of defect in the wall between the ventricles, stenosis of the pulmonary artery, enlargement of the right ventricle, and an abnormally placed aorta. It occurs in about 5 out of every 10,000 babies. The defect affects boys and girls equally. It is corrected with open heart surgeries. ...Read more