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Definition of Deep vein thrombosis

Deep vein thrombosis: A blood clot within a deep vein, typically in the thigh or leg. The blood clot (thrombus) can break off as an embolus and make its way to the lung, where it can cause lung problems. Abbreviated DVT. Also known as economy-class syndrome.

Source: MedTerms™ Medical Dictionary
Last Editorial Review: 3/19/2012

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