Understanding Cyanosis: Blue Skin Discoloration
Cyanosis is the abnormal blue discoloration that occurs in the skin and mucous membrane by an increase in the deoxygenated hemoglobin levels to 5 g/dl. People with anemia do not develop Cyanosis until the oxygen saturation(SO2) has declined to lower levels than for a person with normal hemoglobin levels. People with polycythemia exhibit cyanosis at greater oxygen saturation levels, Cyanosis can be classified as either central or peripheral. Central cyanosis…
