What is the most common site of origin of thrombotic pulmonary emboli?
Correct Answer: Deep leg veins
Description: An embolus is a detached intravascular mass that has been carried by the blood to a site other than where it was formed. Emboli basically can be thrombotic or embolic, but most originate from thrombi. These thromboemboli, most of which originate in the deep veins of the lower extremities, may embolize to the lungs.
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Pathology
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