D-Dimer

Alternate Names

  • Fragment D-Dimer
  • Fibrin Degradation Fragment

D-dimer is made up of fibrin, a blood component necessary for normal blood clotting. Blood clots are normally broken down by plasmin, which causes D-dimer levels to increase in the blood. High blood levels of D-dimer are mainly used to diagnose DIC (disseminated intravascular coagulation), DVT (deep vein thrombosis), pulmonary embolism, cancer, or sickle cell anemia. D-dimer is also used as a treatment for DVT; and follow-up blood tests measuring D-dimer levels will be used to monitor for the risk for redevelopment of a DVT.

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