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 ...

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 ...

Cyanosis refers to bluish discoloration of skin, nail beds and mucous membranes. Normally haemoglobin carries most of the oxygen in blood. This oxygen carrying capacity of haemoglobin in the blood ...

Cyanosis refers to abnormal blue discoloration of the skin and mucous membranes. The term is derived from the Greek word kuaneos meaning dark blue. In normal humans blood protein called hemoglobin ...

Blue fingernails may be due to a low level or lack of oxygen circulating in your red blood cells. Other causes include chronic conditions and cold temperatures. Having a blue tint to your fingernails ...