blue baby

noun

: a baby that has bluish skin usually because its heart is not working correctly

Full Definition of BLUE BABY

: an infant with cyanosis usually from a congenital heart defect in which venous and arterial blood are mingled

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circa 1899

Medical Dictionary

noun

: an infant with a bluish tint usually from a congenital heart defect marked by mingling of venous and arterial blood

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