Cyanosis: what it is, types, causes and treatment
Cyanosis is the blue or purplish discoloration of the skin, nails or lips, caused by changes in blood circulation or in the oxygenation of hemoglobin, one of the components of red blood cells. Cyanosis can be caused by exposure to cold, but is often related to conditions such as heart failure, asthma, or chronic obstructive […]
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