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Deep Vein Thrombosis - What Increases Your Risk

Many things increase your risk for deep vein thrombosis (DVT). These include:

Other risks include things that cause slowed blood flow, abnormal clotting, and a blood vessel injury.

Recommended Related to DVT (Deep Vein Thrombosis)

How to Prevent Deep Vein Thrombosis (DVT)

Preventing a deep vein thrombosis, also known as a DVT, is vital. A DVT is a blood clot that forms in the deep veins of the legs most commonly, but it can also occur in the veins of the upper extremities. That's because the blood clot, which usually forms in a calf or thigh deep veins, can partially or completely block blood flow back to the heart and cause damage to the one-way valves in the veins. The clot can also break free and travel through the blood to major organs, such as your lungs -- which...

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Slowed blood flow

Blood does not flow normally if you are not active for long periods of time. Examples include:

  • Long-term bed rest, such as after a surgery, injury, or serious illness.
  • Sitting for a long time, especially when traveling long distances.
  • Leg paralysis.

Abnormal clotting

Some people have blood that clots too easily or too quickly. Problems that may cause increased clotting include:

Injury to the blood vessel wall

Blood is more likely to clot in veins shortly after they are injured. Examples include:

  • Recent surgery that involved the legs, hips, belly, or brain.
  • Having a central venous catheter during a hospital stay.
  • Injury, such as a broken hip.

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Medical Reference from Healthwise

    Last Updated: January 16, 2014
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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