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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]
Venous thrombosis is the blockage of a vein caused by a thrombus (blood clot). A common form of venous thrombosis is deep vein thrombosis (DVT), when a blood clot forms in the deep veins. If a thrombus breaks off ( embolizes ) and flows to the lungs to lodge there, it becomes a pulmonary embolism (PE), a blood clot in the lungs.
Phlegmasia cerulea dolens (PCD) (literally: 'painful blue inflammation'), not to be confused with preceding phlegmasia alba dolens, is an uncommon severe form of lower extremity deep venous thrombosis (DVT) that obstructs blood outflow from a vein.
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. [citation needed] Three factors are important in the formation of a blood clot within a deep vein—these are: [citation needed] the rate of blood flow, the thickness of the blood and; qualities of the ...
A deep vein thrombosis as seen in the right leg is a risk factor for PE. About 90% of emboli are from a deep vein thrombosis located above the knee termed a proximal DVT, which includes an iliofemoral DVT. [25] The rare venous thoracic outlet syndrome can also be a cause of DVTs, especially in young men without significant risk factors. [26]
Paget–Schroetter disease (which evolved from a venous thoracic outlet syndrome) is a form of upper extremity deep vein thrombosis (DVT), a medical condition in which blood clots form in the deep veins of the arms. These DVTs typically occur in the axillary and/or subclavian veins. [1]
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