cyanosis
/ˌsaɪəˈnoʊsɪs/
noun
- A medical condition in which the skin, lips, or nails turn blue or purple because there is not enough oxygen in the blood.
- The doctor checked for cyanosis by looking at the patient's fingernails and lips.
- If you see cyanosis in someone, you should call for emergency medical help.
- Cyanosis can be a sign of a serious heart or lung problem.
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