Infants who have Tetralogy of Fallot can have ____, in which the infant becomes suddenly cyanotic and has a syncopal episode.

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Infants with Tetralogy of Fallot can have TET spells, which are sudden episodes of cyanosis and syncope. These occur due to a sudden constriction of the pulmonary outflow tract, leading to a decrease in blood flow to the lungs and systemic hypoxia. TET spells are a medical emergency and require prompt intervention to alleviate the obstruction and improve oxygenation.

Infants Who Have Tetralogy of Fallot Can Have ____, in Which