What is a Tet spell in tetralogy of Fallot?
Tet spells Sometimes, babies who have tetralogy of Fallot will suddenly develop deep blue skin, nails and lips after crying or feeding, or when agitated. These episodes are called tet spells. Tet spells are caused by a rapid drop in the amount of oxygen in the blood.
What are the 4 defects found in tetralogy of Fallot?
Tetralogy of Fallot is a heart defect made up of four different heart problems: ventricular septal defect, overriding aorta, pulmonary stenosis and right ventricular hypertrophy. These problems result in cyanotic, or blue, skin on babies because of a lack of oxygen.
What is the medical term for TOF?
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 and lungs. TOF occurs in about 1 out of every 2,518 babies born in the U.S. each year.
What is blue spell?
Cyanosis, or blue spells, is when a reduced amount of blood flows into the lungs. Since blood carries oxygen, less oxygen is delivered to the body. As a result, a child may appear blue or bluish.
What is a Hypercyanotic spell?
Hypercyanotic spells are characterised by: Period of uncontrollable crying / irritability. Hyperpnoea (rapid, deep respiration) Worsening hypoxia with cyanosis/pallor. Decreased intensity of heart murmur.
Why is it called tetralogy of Fallot?
This condition results in mixing oxygen-rich and oxygen-poor blood across the ventricular septal defect, which causes an overall decrease in the amount of oxygen in the blood. It is called tetralogy of Fallot because “tetralogy” means “four” in Greek and there are four defining features of this heart defect.
How long do tetralogy of Fallot patients live?
About 75% infants who undergo repair during infancy will survive to reach their second to third decade of life without major consequences.
What does F mean in TOF?
Tetralogy of Fallot (fah-LO) is a congenital (present at birth) heart defect. In tetralogy of Fallot (TOF), four related heart defects change the way blood flows to the lungs and through the heart.
Why do babies stop breathing when crying?
Breath-holding is when a baby or child stops breathing for up to 1 minute and may faint. It can happen when a child is frightened, upset, angry, or has a sudden shock or pain. It’s usually harmless but can be scary for parents, particularly when it happens for the first time.
Why do you spell knee to chest for Tet?
Talk to your doctor about how you can manage your child’s tet spells. Your doctor may suggest that you: Bring the child’s knees up tight against his or her chest (this is called the knee-chest position) or have your child squat down. This will increase blood flow to the lungs.
How do you remember tetralogy of Fallot?
The acronym “PROVe” can be used to help remember the four specific abnormalities generally associated with TOF: P for pulmonary infundibular stenosis, R for RVH, O for overriding aorta, V for VSD, and the “e” is silent without an associated pathology.
What is the life expectancy of someone born with tetralogy of Fallot?
Tetralogy of Fallot is a rather common complex cardiac malformation with an incidence of 0.1/1000 live births. Without surgical intervention, patients had a 1 year survival rate of 66%, 49% after 2 years and only 10–15% after more than 20 years [1,2].