Pulmonary Embolism Topic Guide

Pulmonary Embolism Pulmonary Embolism: A pulmonary embolism (PE) is a blood clot in the lung. The clot typically comes from other areas of the body and travels to the lung, where it becomes lodged. Pulmonary embolism can cause serious problems, from shortness of breath to instantaneous death, depending on the nature of the clot.

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