Q:

What does a blood clot in the leg look like?

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Quick Answer

Blood clots in the leg usually appear red and swollen, but they can take on different appearances depending on the location. In contrast, blood clots in the heart and lungs are not immediately visible.

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What does a blood clot in the leg look like?
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Full Answer

Blood clotting is sometimes essential to the body's processes. It prevents excessive bleeding when blood vessels are injured. Certain blood cells, called platelets, work together with the blood's plasma to stop bleeding by acting as a knot-shaped barrier over the injury.

Blood clots can also occur in veins and arteries, which must remain free-flowing as an essential attribute to the body's circulatory system. These types of clots may require medical attention.

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    A blood clot in the lungs, or pulmonary embolism, can cause chest pain, shortness of breath and a bloody cough, explains WebMD. A clot left untreated could cause pleural effusion, which is a build-up of fluid in the cavity around the lungs, or a pulmonary infarction, which is tissue death in the lung. Multiple pulmonary embolisms can drastically reduce blood flow in the lungs and heart, which can eventually lead to heart failure or death.

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