Pulmonary Embolism

Pulmonary embolism (PE) is a complication that results from a block in the main artery supplying the lungs, or one of its branches.

Most of the time, the block is due to a blood clot (thrombus) that has detached itself from the deep veins in the legs and traveled all the way to the lungs. Hence, this process is known as venous thromboembolism.

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