Cyanosis (or “blueness”) of the skin and other membranes usually indicates a lack of oxygen from a circulatory disorder or pulmonary disorder. It is usually seen in the lips (blue lips), skin (blue skin), or other mucous membranes. Cyanosis is ...

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Causes of cyanosis depend somewhat on the types:

  • Central cyanosis
  • Peripheral cyanosis
  • Combined cyanosis (both)

The major concerns include:

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Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.