Which term describes blue-grey discoloration of the skin, suggesting low oxygen levels?

Cyanosis is the term that describes a blue-grey discoloration of the skin, indicating low levels of oxygen in the blood. This condition occurs when there is not enough oxygen-rich blood circulating, often evident in areas where blood vessels are close to the surface of the skin, such as the lips, fingertips, or earlobes. Cyanosis is a critical sign that may indicate underlying respiratory or circulatory issues requiring immediate medical attention.

On the other hand, jaundice refers to a yellowing of the skin and eyes caused by an excess of bilirubin, mottling involves irregular patterns of color changes in the skin and can indicate issues like shock or poor circulation, while flushing involves a reddening of the skin typically due to increased blood flow, often from emotional responses or temperature changes. Recognizing these different terms and their implications is essential for effective medical assessment and intervention.