2. Additional Symptoms

Other symptoms may occur depending on the severity of the pulmonary embolism. A person may experience clammy or discolored skin, fever, sweating, lightheadedness, or rapid or irregular heart rate. Pain or swelling in one or both calves may also develop, possibly indicating deep vein thrombosis, which could be the source of the initial clot.

sweating lightheaded clammy BrankoPhoto / Getty Images
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