A deep vein thrombosis is a blood clot that develops in a deep vein , usually in the leg . DVT is a very common condition , which affects about 2 million Americans every year . Certain genetic risk factors as well as acquired risk factors make a DVT more likely to occur . If a deep vein thrombosis is suspected , tests will be needed to confirm th diagnosis . But DVT can lead to a life threatening condition , called Pulmonary Embolism , a blood clot in the lung . See DVT can be detected and treated early and how Pulmonary Embolism can be avoided .
深層靜脈栓塞是深層靜脈裡形成血栓，通常是在腿部。深層靜脈栓塞是很普遍的疾病，每年影響大約兩百萬美國人。某些遺傳性風險因素，以及後天風險因素讓人更容易罹患深層靜脈栓塞。如果懷疑得了深層靜脈栓塞，就必須做一些檢驗確認診斷。深層靜脈栓塞可能引起肺血栓，危及性命。我們要看如何及早發現，及早治療深層靜脈栓塞，避免肺血栓。

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