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.
Oxygenated hemoglobin is bright red, while deoxygenated hemoglobin is bluish. There are two main categories of cyanosis: central and peripheral. Central cyanosis causes a bluish colour in the lips, tongue, and skin, especially the fingers and toes. Peripheral cyanosis is seen only in the fingers and toes. Cyanosis caused by congenital heart conditions is often seen soon after birth, but sometimes it does not appear until a baby is older.