Pulmonary embolism - Symptoms and causes - Mayo Clinic
Jun 13, 2020 · Pulmonary embolism occurs when a clump of material, most often a blood clot, gets wedged into an artery in your lungs. These blood clots most commonly come from the deep veins of your legs, a condition known as deep vein thrombosis (DVT). In many cases, multiple clots are involved in pulmonary embolism. The portions of lung served by each ...
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