cyanosis
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(sī″ă-nō′sĭs)

[cyano- + -sis]
A blue, gray, slate, or dark purple discoloration of the skin or mucous membranes caused by deoxygenated or reduced hemoglobin in the blood. Cyanosis is found most often in hypoxemic patients and rarely in patients with methemoglobinemias. Occasionally, a bluish skin tint that superficially resembles cyanosis results from exposure to the cold. In the very young patient, cyanosis may point to a congenital heart defect.
cyanosed (sī′ă-nōst″, sī′ă-nōzd″)

ETIOLOGY
This condition usually is caused by inadequate oxygenation of the bloodstream.
TREATMENT
Supplemental oxygenation is supplied to cyanotic patients who are proven to be hypoxemic.
SEE: asphyxia
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(sī″ă-nō′sĭs)

[cyano- + -sis]
A blue, gray, slate, or dark purple discoloration of the skin or mucous membranes caused by deoxygenated or reduced hemoglobin in the blood. Cyanosis is found most often in hypoxemic patients and rarely in patients with methemoglobinemias. Occasionally, a bluish skin tint that superficially resembles cyanosis results from exposure to the cold. In the very young patient, cyanosis may point to a congenital heart defect.
cyanosed (sī′ă-nōst″, sī′ă-nōzd″)

ETIOLOGY
This condition usually is caused by inadequate oxygenation of the bloodstream.
TREATMENT
Supplemental oxygenation is supplied to cyanotic patients who are proven to be hypoxemic.
SEE: asphyxia
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