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.
A decubitus ulcer, also known as a pressure ulcer, pressure sore, or bed sore, is an open wound on your skin. Decubitis ulcers often occur on the skin covering bony areas. The most common places for a decubitis ulcer are your: hips. back. ankles. buttocks.