A homocysteine blood test is done to: 1  Help identify vitamin B12 deficiency or folic acid deficiency. 2  Help identify a rare inherited disease (homocystinuria) that causes a deficiency of one of several enzymes needed to convert food to energy.  Help determine a cause for otherwise unexplained blood clots.
Category : Causes of Bed Sores. Common Causes of Bed Sores. Bedsores are damaged skin caused by a lack of proper blood flow to the skin because of pressure. The bedsore can occur in individuals at any age when bedridden, in a chair or wheelchair without the ability to reposition themselves.
Like most bed sores, Kennedy ulcers are believed to develop due to poor blood circulation that results from unrelieved pressure. However, Kennedy ulcers, differ from other bed sores because of: Rapid onset, a wound may go from a blister to stage 4 within hours.