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pulmonary embolism

pulmonary embolism in Medicine

pulmonary embolism n.
The obstruction of pulmonary arteries, usually by detached fragments of a clot from a leg or pelvic vein.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for pulmonary embolism

obstruction of a pulmonary artery or one of its branches. The pulmonary arteries carry blood from the right side of the heart to the lungs. A pulmonary embolism may be the result of a blood clot that has formed elsewhere, has broken loose, and has traveled through the circulatory system to the point of obstruction; or it may be due to some other obstruction, such as fat or a bubble of air

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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