PE is an abbreviation of 'pulmonary embolus'.


A serious emergency

A PE is a blood clot that has become caught in the lungs, usually deriving from a locus in the lower leg (deep vein thrombosis or DVT), perhaps from trauma there. The clots may be multiple and tiny with a predominant symptom of breathlessness, while a massive clot may lead to sudden death. In the lower limb the calf is often swollen.

Pulmonary embolus
Lung clot

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