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Deep Vein Thrombosis - Cause

Three factors can increase the risk of deep vein thrombosis:

  • Slowed blood flow. If you have surgery or are inactive for a period of time (for example, if you are bedridden or must sit while on a long flight or car trip), blood flow in your legs is slowed, which allows a blood clot to form.
  • Damage to the blood vessels. Surgery or injury may damage your blood vessels.
  • Changes in the blood itself. Cancer or certain inherited factors may cause your blood to clot more quickly than normal.

WebMD Medical Reference from Healthwise

Last Updated: January 05, 2010
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