Fat embolismis the passage ofbone marrowfatto the vascular system.It occurs in over% of fractures of the long bones.As suchfat embolismhas no treatment, it should preventfat embolismsyndromedevelopsthrough appropriateinmoviliyacionfractures,intravenousfluids andexternalsupportwithoxygenmask.Infat embolismsyndrome, an inflammatory response is generatedin the presenceof fat inthe capillariesaveymanagement shouldbeintroducedinintermediate orintensive care,maneuversshould be performedespeciallyrespiratorylife support, tocontrol theinflammatory response.It has a highmortality rate.