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Thromboembolism (Deep Vein Thrombosis and Pulmonary Embolism)
- By Howard E. LeWine, MD, Chief Medical Editor, Harvard Health Publishing
A deep venous thrombosis (DVT) is a blood clot (thrombus) that forms inside deep veins in your legs or pelvis. The clot blocks blood flow and causes pressure to build up in the vein. Part of the clot can break away and move through your bloodstream to your lungs. If the clot blocks one or more of the blood vessels in your lungs, it is called a pulmonary embolism.
DVT is a common problem. Most of these clots occur when blood flow in the veins of the legs is slowed.
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About the Author
Howard E. LeWine, MD, Chief Medical Editor, Harvard Health Publishing
As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.
No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.
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