What is cyanosis and what types do we have?

Definition- bluish discoloration, especially of the skin and mucous membranes, due to excessive concentration of deoxygenated hemoglobin in capilary blood -> 5 g/dl Cyanosis classification • Central- decreased saturation of oxegen saturation of hemoglobin in arterial blood, predominantly visible on lips, tongue and oral cavity. • Peripheral- decreased perfusion of periphery, visible on peripheral parts of body