Tetralogy of fallot history and symptoms

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Associate Editors-In-Chief: Keri Shafer, M.D. [2], Priyamvada Singh, MBBS

Symptoms

The primary symptom is low blood oxygen saturation with or without cyanosis from birth or developing in the first year of life. Without cyanosis, the baby is referred to as a "pink tet". Other symptoms include a heart murmur which may range from almost imperceptible to very loud, difficulty in feeding, failure to gain weight, retarded growth and physical development, dyspnea on exertion, clubbing of the fingers and toes, and polycythemia.

Tet spells are characterized by a sudden, marked increase in cyanosis, syncope, and may result in hypoxic brain injury and death.

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