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Tetralogy of Fallot (TOF), formerly known as Steno-Fallot tetralogy, [9] is a congenital heart defect characterized by four specific cardiac defects. [4] Classically, the four defects are: [ 4 ] pulmonary stenosis , which is narrowing of the exit from the right ventricle;
Tetralogy of Fallot is actually the most common cause of cyanotic congenital heart defects, accounting for about 50-70%, as well as about 10% of all congenital heart defects in general. Now, it’s not quite clear why some babies develop TOF but it is associated with chromosome 22 deletions and DiGeorge syndrome.
English: What is Tetralogy of Fallot? Tetralogy of Fallot (TOF) is a congenital heart condition characterized by four heart abnormalities—stenosis in the right ventricular outflow tract, right ventricular hypertrophy, ventricular septal defect, and aortic override of septal defect. Together, these can cause cyanosis in the newborn.
Defects in infundibulum development can result in a heart condition known as tetralogy of Fallot. A tendinous band extends upward from the right atrioventricular fibrous ring and connects the posterior surface of the infundibulum to the aorta .
Tetralogy of Fallot: pulmonary stenosis, ventricular septal defect, right ventricular hypertrophy, overriding aorta: Tetralogy of Fallot Ménière's disease: vertigo, tinnitus, fluctuating low frequency hearing loss, aural fullness: Ménière's disease zoonotic tetrad: scrub typhus, chiggers, rodents and birds, scrub vegetation
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Cœur en sabot (French for "clog-shaped heart" or "boot-shaped heart" [1]) is a radiological sign seen most commonly in patients with tetralogy of Fallot, [2] a cyanotic congenital heart disease. It is a radiological term to describe the following findings in the x-ray: [ citation needed ]
A ventricular outflow tract obstruction means there is a limitation in the blood flow out of either the right or left ventricles of the heart, depending on where the obstruction is.