
Pulmonary embolism:
Pulmonary embolism. A pulmonary embolism usually occurs when a blood clot from a deep vein in the leg breaks loose and blocks an artery within the lungs.
More on Pulmonary Embolism:
Lung Disorders Glossary
The information in the Lung Disorders area is based on our monthly newsletter, Johns Hopkins Health After 50, and our annual Johns Hopkins White Paper: Lung Disorders.
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