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Venous Stasis
Damage of endothelium
Hypercoagulability
What is Virchow's triad?
Rationale: Virchow's triad is the etiology of the formation of venous thrombosis. In venous stasis, valves don't work sufficiently or muscles are inactive. Damage of endothelium causes direct or indirect injury by stimulating platelet activation and initiating coagulation cascade. Hypercoagulability causes an imbalance in clotting by increasing fibrin production.