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.
Bedsores are also known as pressure sores or decubitus ulcers. They form when your bone squeezes your skin and tissue against an outside surface, usually on weight-bearing parts of your body where the bones are near the skin. Bedsores usually develop below your waist if you are bedridden, although they can occur almost anywhere on your body.