Compare conditions

Put any two — or three — conditions side by side, adult or pediatric, to spot the look-alike differences fast, row by row.

DIC · Disseminated Intravascular Coagulation

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In one line

·The blood's clotting system turned on everywhere at once.

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Normal physiology

·Your blood clots only where you need it—like plugging a cut. A clot forms, seals the leak, then your body breaks it down when healing is done. Special brake proteins (protein C and antithrombin) keep clotting from spreading beyond that one spot. Keep this picture in your head, because every weird finding in DIC is a change from this normal job.

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What goes wrong

·Something big—like a severe infection, major trauma, cancer, or pregnancy emergency—triggers clotting everywhere at once. The brake proteins cannot keep up. Tiny clots form in small blood vessels throughout your organs, using up all your clotting supplies and leaving nothing for normal bleeding control.

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Hallmark signs

·Bleeding from many places at once (gums, nose, IV sites, under the skin, in urine or stool)
·Purple or red bruises and spots on the skin (petechiae and purple bleeding blotches (purpura))
·Blood clots forming in small blood vessels (causing fingers, toes, or organs to stop working right)
·Confusion, trouble thinking clearly, or passing out
·Trouble breathing or fast breathing
·Very little or no urine coming out
·Belly pain or signs of organ damage (liver, intestines)
·Blood oozing slowly and continuously from wounds or surgical cuts that won't stop

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Red flags · escalate now

·Bleeding that won't stop from multiple sites at the same time
·Sudden confusion, seizure, or loss of consciousness
·Trouble breathing or very low oxygen levels
·No urine output or very dark urine
·Severe belly pain or signs of shock (fast heart rate, low blood pressure, cold and sweaty skin)

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Workup

·Platelet count
·Fibrinogen level
·Prothrombin time (PT) and International Normalized Ratio (INR)
·D-dimer
·Peripheral blood smear
·ISTH DIC score (International Society on Clot formation (Thrombosis) and Haemostasis scoring system)
·Basic metabolic panel (BMP) and creatinine
·Liver function tests (ALT, AST, bilirubin)

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Treatment

·Find and fix the underlying trigger — give antibiotics for sepsis, deliver the baby for placental abruption or amniotic fluid a traveling clot lodging in a vessel (embolism), start chemotherapy for acute promyelocytic leukemia, remove dead tissue for severe pancreatitis or trauma, or stop the transfusion for transfusion reaction
·Transfuse platelets if platelet count drops below 50,000 per microliter AND the patient is actively bleeding or about to have surgery or a procedure. Give platelets if count is below 20,000 even without bleeding.
·Transfuse fresh frozen plasma (FFP) — usually 10–15 mL per kilogram of body weight — if the patient has active bleeding AND the PT/INR is prolonged
·Transfuse cryoprecipitate — usually 1 unit per 10 kg of body weight — if fibrinogen drops below 100 mg/dL
·Give low-dose heparin (prophylactic or therapeutic dose) ONLY in specific situations — cancer-triggered DIC with more clotting than bleeding, or purple bleeding blotches (purpura) fulminans with limb-threatening clots — and ONLY after discussing with a hematologist
·Support blood pressure with IV fluids (crystalloid like normal saline or lactated Ringer's) and vasopressors (norepinephrine) if fluids alone do not bring pressure up
·Monitor platelet count, fibrinogen, PT/INR, D-dimer, ISTH DIC score, urine output, creatinine, and liver enzymes every 6–12 hours in the ICU

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NCLEX trap

·Platelets can help, but only when the number drops under 20,000 OR under 50,000 with active bleeding happening right now. Just pouring in blood products without fixing the root cause (sepsis, trauma, cancer) wastes time and keeps DIC going. You have to treat the trigger, not just the lab number.
·DIC is the body's broken response to something else — sepsis, cancer, a torn placenta, a bad snake bite, or major trauma. If you do not find and fix the trigger, DIC will keep happening no matter how much blood you give. Treat the cause, not just the result.
·Low platelets plus bleeding plus tiny clots blocking small vessels plus high D-dimer plus a sick, crashing patient equals DIC, not ITP. ITP patients look well except for bruises and low platelets. DIC patients are seriously ill with organ damage — kidney failing, confusion, trouble breathing.
·Heparin only helps in certain types of DIC, mostly cancer-related DIC where the clotting is slow and ongoing. In most other types (sepsis, trauma), heparin makes bleeding worse. Match your treatment to the trigger and how sick the patient is, not just to the DIC label.
·Step one: keep the patient safe — help them breathe, stop big bleeding with pressure. Step two: find the trigger (infection? placenta tear? cancer?). Step three: give the right blood products based on labs and bleeding. Do them in that order, not backwards.
·DIC labs show up late. The trigger (sepsis, hidden cancer, placenta tearing away) is what will kill the patient fastest. Keep looking for the cause while you manage the bleeding and clotting. If you miss the trigger, the patient will not survive.

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