Name of the Day. FIONNUALA. Previous. Means white shoulder from Irish fionn white, fair and guala shoulder. In Irish legend Fionnuala was one of the four children of Lir who were transformed into swans for a period of 900 years. more...
Causes of Blue nails (Blue toenails or fingernails). The list of medical condition causes of Blue nails (Blue toenails or fingernails) includes: 1  Agyria. 2  Mepacrine. 3  Lack of oxygen.
If just the fingers, toes or limbs have turned blue and feel cold, it's known as peripheral cyanosis. Cyanosis that affects the skin generally and/or lips. When all the skin and/or lips have a blue tinge, it's known as central cyanosis and is usually a sign of low levels of oxygen in the blood. Common causes for central cyanosis are listed below.