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The information contained on this page is provided as general health information and is not intended to substitute as medical advice and direction from your physician or health care provider. Please direct any questions related to your health care provider. In an emergency, call 9-1-1 or go to the nearest emergency center.


Cyanotic 'Tet spell'

Tetralogy of Fallot is a birth defect of the heart consisting of four abnormalities that results in insufficiently oxygenated blood pumped to the body. At birth, infants may not show the signs of the cyanosis but later may develop episodes of bluish skin from crying or feeding called "Tet spells".

Cyanotic 'Tet spell'