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A blood clot forms in a deep vein, most frequently in the legs or pelvis, in a condition known as deep vein thrombosis (DVT). In rare cases, DVTs develop in the arms. The affected area may experience discomfort, edoema, redness, and swollen veins as symptoms, while other DVTs are asymptomatic. The possibility that a clot will embolize (detach from the veins), move as an embolus through the right side of the heart, and lodge in a pulmonary artery that delivers blood to the lungs is the most frequent life-threatening risk with DVT. A pulmonary embolism is what this is (PE). The cardiovascular condition known as venous thromboembolism includes DVT and PE (VTE).
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