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  1. Cyanosis (Blue Hands & Feet): Causes, Treatment & Diagnosis

    Oct 17, 2022 · Cyanosis is when your skin, lips and/or nails turn a bluish tone. It occurs when your blood lacks the oxygen it needs to reach the different tissues in your body. Cyanosis can be caused by …

  2. Cyanosis - Wikipedia

    Cyanosis is the change of tissue color to a bluish-purple hue, as a result of decrease in the amount of oxygen bound to the hemoglobin in the red blood cells of the capillary bed. [1]

  3. Cyanosis | Symptoms, Diagnosis & Treatment

    Cyanosis refers to a bluish-purple color of the skin which means there may not be enough oxygen in the bloodstream. Read about the types, causes and diagnosis.

  4. Central and Peripheral Cyanosis - StatPearls - NCBI Bookshelf

    Oct 3, 2022 · Cyan means blue, and the abnormal bluish skin and mucous membrane discoloration is called “cyanosis.” It is a pathologic sign and not a disease by itself. Underlying diseases that …

  5. Cyanosis: Overview and Practice Questions (2025)

    Jun 11, 2025 · Explore cyanosis (bluish discoloration of the skin), a symptom of hypoxemia, including the causes, types, symptoms, and treatment options.

  6. Cyanosis: Types, Causes, and Diagnosis of Blue Skin - Healthline

    Feb 6, 2023 · Get the facts on cyanosis, or bluish discoloration of the skin. It's a serious sign your body isn't getting enough oxygen. Learn about treatment and more.

  7. Cyanosis: Understanding Symptoms, Causes, Diagnosis, and

    Jun 27, 2023 · Explore the symptoms, causes, diagnosis, and treatment options for cyanosis, a condition characterized by a bluish discoloration of the skin. Learn how to recognize signs and seek …

  8. Cyanosis In Adults: Underlying Conditions And Risk Factors

    Apr 10, 2025 · There are two types of cyanosis, central and peripheral. 1. The widespread bluish discolouration of the skin and visible mucous membranes is known as central cyanosis. It happens …

  9. Cyanosis - Lung and Airway Disorders - MSD Manual Consumer Version

    Cyanosis occurs when oxygen-depleted (deoxygenated) blood, which is bluish rather than red, circulates through the skin. Cyanosis can be caused by many types of severe lung or heart disease that cause …

  10. Cyanosis: Symptoms, Causes, Diagnosis, and Treatment

    Sep 6, 2025 · Cyanosis is when your skin, lips, or nails turn blue because your blood doesn't have enough oxygen. If cyanosis appears suddenly with chest pain or trouble breathing, call 911 …