Q:

What happens if you have a blood clot behind your knee?

A:

Quick Answer

A blood clot behind the knee may indicate deep vein thrombosis, a condition in which a blood clot forms in a vein, which sometimes leads to a fatal condition called a pulmonary embolism. According to John Muir Health, a pulmonary embolism causes a sudden blockage in a lung artery due to a clot that breaks free and travels from the leg. See a doctor if a blood clot is suspected.

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What happens if you have a blood clot behind your knee?
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Full Answer

WebMD states that a deep vein thrombosis may occur anywhere in the body but typically occurs in the leg, thigh or pelvis. Post-surgical patients and long-distance travelers often find themselves at risk of a blood clot. John Muir Health also explains that anyone may develop a blood clot, but people most at risk include those with cardiovascular disease and a family history of DVT. Other risk factors include obesity, sitting for long periods of time and injuries to the vein from major surgery, fractures or severe muscle injury. People with increased estrogen levels due to birth control pills, hormone replacement therapy or having given birth in the past six weeks also have a higher risk of blood clots. WebMD also mentions that an injury that reduces blood flow to part of the body such as a broken hip or leg may also cause a clot.

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Related Questions

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    What is deep vein thrombosis?

    A:

    Deep vein thrombosis is when a blood clot forms in a deep vein, usually in the leg, according to the National Heart, Lung and Blood Institute. The blood clot blocks or restricts blood flow to the area, resulting in tenderness and swelling. If the blood clot breaks off and travels to the lung or heart, it causes major damage to the organ and possibly death, according to WebMD.

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    How do you treat a blood clot in your leg?

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    To treat a blood clot, or thrombosis, in the leg, doctors use medications, such as blood thinners or clotbusters, and implanted blood filters when these medications cannot be used, according to Mayo Clinic. Compression stockings are used to prevent swelling.

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    How can I tell if the pain in my leg is a blot clot?

    A:

    Deep vein thrombosis, or a blood clot in a vein of the leg, causes recognizable symptoms. These symptoms include swelling of the leg, skin discoloration that is reddish or bluish in color, tenderness, and pain, and the leg is warm to the touch, according to the National Blood Clot Alliance.

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    How serious is a blood clot in your left leg?

    A:

    A blood clot in the leg, or deep vein thrombosis, is a serious condition that can become life-threatening if the blood clot breaks free, travels through the bloodstream and lodges itself in the lungs, explains Mayo Clinic. When this happens, the blood clot blocks blood flow, causing a pulmonary embolism.

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