In medicine, an embolism (plural embolisms) (Greek εμβολισμός) occurs when an object (the embolus, plural emboli) (Greek έμβολον, prep. εν+verb βάλλω) migrates from one part of the body (through circulation) and causes a blockage (occlusion) of a blood vessel in another part of the body. The term was coined in 1848 by Rudolph Carl Virchow.[1] This is in contrast with a thrombus, or clot, which forms at the blockage point within a blood vessel and is not carried from somewhere else.
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