A bluish or purplish discoloration of the skin and mucous membranes due to an increase in the amount of deoxygenated hemoglobin in the blood or a structural defect in the hemoglobin molecule.

Synonyms: Cyanosis, Cyanoses

Instance information

comment

do not use for cyanotic heart disease unless particularly discussed (=probably HEART DEFECTS, CONGENITAL)

identifier

D003490

Instance relations

Types