👤 By the CinnaRN Clinical Content Team🕐 Updated 2026-08-23🏷️ Physiological Adaptation🔖 Free to read, print, and share
Also known as: DIC · consumptive coagulopathy · clotting and bleeding disorder · disseminated intravascular coagulation
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Use this quick-reference guide to spot, treat, and prevent Disseminated Intravascular Coagulation (DIC) on the NCLEX. Keep it handy during review and on exam day!
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📒 The 1-minute cheat sheet
📌 Mech
widespread clotting uses up factors
then NO clotting → massive bleed
triggers: sepsis, OB, trauma, cancer
🩺 Signs
bleeding from EVERY site
oozing IV/incision, petechiae
cyanotic digits (microclots)
🧪 Labs
↑D-dimer, ↑PT/PTT, ↓platelets
↓fibrinogen, ↑FDP
✅ Do
TREAT underlying cause first
FFP, platelets, cryoprecipitate
O2, monitor bleeding/clots
📚 Disseminated Intravascular Coagulation (DIC) — full study notes
The cheat sheet above is your quick recall card. These notes go deeper — what it is, what to do first, what must be reported, and what to teach.
DIC is a life-threatening disorder in which widespread clotting consumes clotting factors and platelets, paradoxically leaving the patient unable to clot and at risk of massive bleeding. It is always secondary to another trigger such as sepsis, obstetric complications, massive trauma, or cancer. It matters because the patient simultaneously clots (organ ischemia) and bleeds (hemorrhage), and mortality is high. Memory aid: 'clots then bleeds.'
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Key points
Understand these first
Diffuse microclotting consumes platelets and clotting factors, then causes uncontrolled bleeding.
DIC is always secondary; common triggers are sepsis, obstetric emergencies, trauma, and malignancy.
Bleeding appears from multiple sites at once: IV sites, gums, incisions, and mucous membranes.
Microclots cause organ ischemia, seen as cool, mottled, or cyanotic extremities and decreased urine output.
D-dimer and fibrin degradation products are elevated while fibrinogen and platelets fall.
Both PT and aPTT are prolonged.
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Nursing priorities
What to do, in order
Identify and treat the underlying cause (e.g., antibiotics for sepsis, delivery for obstetric triggers).
Monitor for bleeding from all sites and assess perfusion to extremities and organs.
Administer prescribed blood products: platelets, fresh frozen plasma, and cryoprecipitate.
Protect the patient from injury and avoid invasive procedures and IM injections.
Monitor vital signs, urine output, and neurologic status for shock and organ failure.
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Red flags — report now
Escalate immediately
Report uncontrolled or worsening bleeding from multiple sites and signs of hypovolemic shock.
Report signs of organ ischemia: decreasing urine output, change in level of consciousness, or cyanotic/mottled limbs.
Report a falling fibrinogen and platelet count with rising D-dimer, indicating worsening DIC.
What are the priority nursing interventions for Disseminated Intravascular Coagulation (DIC)?
Identify and treat the underlying cause (e.g., antibiotics for sepsis, delivery for obstetric triggers). Monitor for bleeding from all sites and assess perfusion to extremities and organs. Administer prescribed blood products: platelets, fresh frozen plasma, and cryoprecipitate. Protect the patient from injury and avoid invasive procedures and IM injections.
What are the warning signs of Disseminated Intravascular Coagulation (DIC) a nurse must report?
Report uncontrolled or worsening bleeding from multiple sites and signs of hypovolemic shock. Report signs of organ ischemia: decreasing urine output, change in level of consciousness, or cyanotic/mottled limbs. Report a falling fibrinogen and platelet count with rising D-dimer, indicating worsening DIC.
What do I need to know about Disseminated Intravascular Coagulation (DIC) for the NCLEX?
Diffuse microclotting consumes platelets and clotting factors, then causes uncontrolled bleeding. DIC is always secondary; common triggers are sepsis, obstetric emergencies, trauma, and malignancy. Bleeding appears from multiple sites at once: IV sites, gums, incisions, and mucous membranes. Microclots cause organ ischemia, seen as cool, mottled, or cyanotic extremities and decreased urine output.
What lab values are associated with Disseminated Intravascular Coagulation (DIC)?
Platelets (normal 150,000-400,000/mm3) decreased. Fibrinogen (normal 200-400 mg/dL) decreased. D-dimer and fibrin degradation products elevated. PT and aPTT prolonged.
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Quick Tip
Diffuse microclotting consumes platelets and clotting factors, then causes uncontrolled bleeding.