<aside> 💡 There is no lab test that replicates blood clotting in the body

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<aside> 💡 Fibrinogen increase with injury, infection, inflammation. acute phase reactant

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do in citrate tube to stop coag

Coag Studies

• Platelet count
• Prothrombin Time (PT)/INR
• Activated Partial Thromboplastin time (aPTT)
• fibrinogen: low levels indicate decreased production (liver disease, inherited deficiency) or increased consumption (DIC, fibrinolyis). high levels in acute phase response (inflammation, infection)
• Fibrin Degradation Products (FDP): increased with fibrinolysis (DIC)
• D-dimer: increased indicates recent or ongoing fibrinolysis (DIC)

DDx

• Bleeders
• Clotters (Thrombophilia screen)