Disseminated Intravascular Coagulation (DIC)

Disseminated intravascular coagulation (DIC) is a serious disorder in which the body's clotting system becomes overactive, using up clotting factors and causing simultaneous clotting and bleeding throughout the body.

Quick Facts

  • ICD-10: D65
  • Always: Secondary to another condition

Underlying Causes

  • Sepsis
  • Severe trauma
  • Major obstetric complications (amniotic fluid embolism, retained dead fetus)
  • Cancer (especially leukemia, pancreatic)
  • Severe organ damage
  • Snake envenomation
  • Severe transfusion reactions

Signs and Symptoms

  • Bleeding from multiple sites (IV insertion, mucous membranes, surgical sites)
  • Easy bruising
  • Blood clots in extremities (cold, painful limbs)
  • Organ dysfunction
  • Confusion

Diagnosis

  • Low platelet count
  • Prolonged PT and aPTT
  • Elevated D-dimer
  • Low fibrinogen
  • Schistocytes on blood smear

Treatment

  • Treat the underlying cause
  • Blood product replacement (platelets, plasma, fibrinogen)
  • Anticoagulation in selected clot-predominant forms
  • ICU-level supportive care
Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. If you are experiencing a medical emergency, call your local emergency number immediately.

References

  • American Society of Hematology. DIC Resources.