What are the causes of cyanosis?

garry420

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The most common causes of cyanosis is a disease in the lungs, heart. Abnormal hemoglobin also causes Cyanosis. Methemoglobin and sulfhemoglobin are the two most common hemoglobin abnormality precursors.
 
Cyanosis associated with a bluish cast to the skin and mucous membranes, such as n the lips or inside the mouth. It’s caused due to low levels of oxygen in the red blood cells. It may also be representing a high level of an abnormal protein that carries oxygen in the RBCs (red blood cells). Blood that’s rich in oxygen is the bright red color typically associated with the hemoglobin content in the blood. The blood with a low level of oxygen has a purple or bluish tint. In peripheral cyanosis, it is because of slowing of the blood flow due to constriction of the blood vessels.
 

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