An area of skin breakdown that occurs when sustained pressure cuts off blood circulation — usually in patients confined to their beds in hospitals and nursing homes — a bedsore can result in a wound so deep and painful that some patients require narcotics. If a bedsore becomes infected, the complications can be fatal.
Check out this infographic to learn more about the injury suffered by NYPD Officer Loor when he was stabbed in the brain. Subdural hematoma (SDH) is a collection of blood outside the brain, most often caused by traumatic head injury. http://www.mountsinai.org/subduralinfo