Peripheral cyanosis is when someone’s hands, fingertips, or feet turn blue due to a lack of oxygen-rich blood. Some causes include Raynaud’s disease, cardiovascular problems, and hypothermia. All ...

Cyan refers to a shade of blue. Cyanosis, then, is a purple or bluish discoloration of the skin. It’s a sign that there may be low levels of oxygen in the blood. Cyanosis is itself a symptom of an ...

Bluish skin discoloration (cyanosis) may affect your hands, feet, or entire body. Possible causes include heart, lung, and circulatory conditions, some of which are life threatening. Many conditions ...

Peripheral cyanosis affects the fingers and toes. It happens when the body is not able to pump oxygen-rich blood to those areas, whether due to the cold or a health condition. Cyanosis refers to a ...