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What causes pulmonary embolism?

Most cases of pulmonary embolism are caused by deep vein thrombosis, in which a blood clot in the leg has dislodged and travelled through the bloodstream to block a vessel in the lung. Other less common causes include an air bubble in a vein, bone and fat fragments from a fracture that have found their way into the bloodstream, a cancerous tumor that has broken away from a larger tumor, or amniotic fluid from pregnancy.

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Author: Dr Idan Ben-Barak PhD, MSc, BSc (Med)
First answered: 11 Jul 2015
Last reviewed: 19 May 2018
Rating: 4.4 out of 5
Votes: 514 (Click smiley face below to rate)
Category: Bronchiectasis

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