Big thanks to @graceminor for sharing her story.Compartment syndrome occurs when excessive pressure builds up inside an enclosed space in the body. Compartment syndrome usually results from bleeding or swelling after an injury. The dangerously high pressure in compartment syndrome impedes the flow of blood to and from the affected tissues.After an injury, blood or edema may accumulate in the compartment. The tough walls of fascia cannot easily expand, and compartment pressure rises, preventing adequate blood flow to tissues inside the compartment. Severe tissue damage can result, with loss of body function or even death.The legs, arms, and abdomen are most prone to developing compartment syndrome.