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Deep vein thrombosis (DVT) is a type of venous thrombosis involving the formation of a blood clot in a deep vein, most commonly in the legs or pelvis. [9] [a] A minority of DVTs occur in the arms. [11] Symptoms can include pain, swelling, redness, and enlarged veins in the affected area, but some DVTs have no symptoms. [1]
Deep vein thrombosis (DVT) is the formation of a blood clot within a deep vein. It most commonly affects leg veins, such as the femoral vein. Three factors are important in the formation of a blood clot within a deep vein—these are: the rate of blood flow, the thickness of the blood and; qualities of the vessel wall.
Deep vein thrombosis may require thrombolysis if there is a significant risk of post-thrombotic syndrome. [42] Thrombolysis may be administered by intravenous catheter directly into the clot ("catheter-directed thrombolysis"); this requires a lower dose of the medication and may carry a lower bleeding risk but evidence for its benefit is limited.
A right-sided acute deep vein thrombosis (to the left in the image). The leg is swollen and red due to venous outflow obstruction. The most common conditions associated with thrombophilia are deep vein thrombosis (DVT) and pulmonary embolism (PE), which are referred to collectively as venous thromboembolism (VTE). DVT usually occurs in the legs ...
A thrombus (pl. thrombi), colloquially called a blood clot, is the final product of the blood coagulation step in hemostasis.There are two components to a thrombus: aggregated platelets and red blood cells that form a plug, and a mesh of cross-linked fibrin protein.
Having a first DVT (deep vein thrombosis) or PE (pulmonary embolism) before age 50. Having recurring DVT or PE. Having venous thrombosis in unusual sites in the body such as the brain or the liver. Having a DVT or PE during or right after pregnancy. Having a history of unexplained pregnancy loss in the second or third trimester.
Collectively, they carry the vast majority of the blood. Occlusion of a deep vein can be life-threatening and is most often caused by thrombosis. Occlusion of a deep vein by thrombosis is called deep vein thrombosis. Because of their location deep within the body, operation on these veins can be difficult.
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