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A hematoma, also spelled haematoma, or blood suffusion is a localized bleeding outside of blood vessels, due to either disease or trauma including injury or surgery [1] and may involve blood continuing to seep from broken capillaries.
Dilated blood vessels can also develop on the legs, although when they occur on the legs, they often have underlying venous reflux or "hidden varicose veins" (see Venous hypertension section below). When found on the legs, they are found specifically on the upper thigh, below the knee joint and around the ankles.
Bruise colors vary from red, blue, or almost black, depending on the severity of broken capillaries or blood vessels within the bruise site. Broken venules or arterioles often result in a deep blue or dark red bruise, respectively. Darker colored bruises may result from a more severe bleeding from both blood vessels.
Internal bleeding (also called internal haemorrhage) is a loss of blood from a blood vessel that collects inside the body, and is not usually visible from the outside. [1] It can be a serious medical emergency but the extent of severity depends on bleeding rate and location of the bleeding (e.g. head, torso, extremities).
Blood vessel grafts often come from the same leg of the bypass site, which are arteries above and below the knee. These grafts can only be removed and prepared during surgery at the time of the bypass. However, in some cases a leg vein is left in place and connected to the artery (in situ procedure).
Leg compartment syndrome is found in 2% to 9% of tibial fractures. It is strongly related to fractures involving the tibial diaphysis as well as other sections of the tibia. [30] Direct injury to blood vessels can lead to compartment syndrome by reducing the downstream blood supply to soft tissues.
Thrombosis (from Ancient Greek θρόμβωσις (thrómbōsis) 'clotting') is the formation of a blood clot inside a blood vessel, obstructing the flow of blood through the circulatory system. When a blood vessel (a vein or an artery) is injured, the body uses platelets (thrombocytes) and fibrin to form a blood clot to prevent blood loss ...
Blood vessel Deep femoral vein Veins of the leg, with deep femoral vein near top. Cross-section through the middle of the thigh. (Deep femoral artery and vein labeled at center top.) Details Drains to Femoral vein Artery Profunda femoris artery Identifiers Latin vena profunda femoris TA98 A12.3.11.024 TA2 5070 FMA 51041 Anatomical terminology [edit on Wikidata] The deep femoral vein, deep vein ...