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Deep-vein blood clots: What you need to know
Learn how to recognize and prevent this dangerous condition, known as venous thromboembolism, or VTE.
When a blood clot blocks an artery supplying the heart or the brain, the result is a heart attack or stroke. Most Americans are familiar with these two serious health threats. But they're probably less familiar with the dangers of venous thromboembolism, or VTE — a clot that forms in a vein.
A clot in the leg or arm, known as deep-vein thrombosis, can cause pain, swelling, and redness in the affected limb. But the real threat occurs if the clot breaks off and travels to the lungs, causing a pulmonary embolism.
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