Blood Clots Resource Center
Health ConditionsCardiovascular DiseasesBlood Clots

Blood Clots

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Blood clots form when blood thickens from a liquid to a semisolid state. While clotting is a necessary process to stop bleeding, clots can be dangerous if they block blood flow and lead to serious health problems like deep vein thrombosis (DVT) or pulmonary embolism (PE). Symptoms of a blood clot vary depending on the location of the clot. Treatment often involves anticlotting medications to dissolve or prevent clots. Lifestyle measures, such as eating a healthy diet and getting regular exercise, can also play a role in reducing risk.

FAQ

What causes blood clots?

Blood clots can be caused by injury, surgery, prolonged immobility, and certain medical conditions.

Symptoms of deep vein thrombosis include leg pain, swelling, and warmth.

Symptoms of a pulmonary embolism include shortness of breath, chest pain, and coughing up blood.

Blood clots are treated using anticlotting medications, including anticoagulants and thrombolytics.

The best way to prevent blood clots is to stay active, maintain a healthy weight, and avoid sitting or lying down for prolonged periods of time.

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Resources
  1. What Are Blood Clotting Disorders? National Heart, Lung, and Blood Institute. March 24, 2022.

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