What does "Cyanosis" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
Cyanosis is a medical term that refers to a bluish or purplish discoloration of the skin or mucous membranes. This color change is due to a lack of oxygen in the blood. It can be a sign of serious health issues, such as heart disease or lung disease. It's most easily seen on the lips, ears, and fingertips.
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