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Pulmonary embolisms

November 4, 2009 | 7:05 p.m. CST
Pulmonary embolism results from the passing of a blood clot, or emboli, through the pulmonary arteries in the heart. Embolisms are hard to detect or diagnose because symptoms are often vague and nonspecific.
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RELATED STORIES: Pulmonary embolism 'a chronic disease'

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