<prompt> Virchows triad includes all of the following, exceptEndothelial injuryHypercoagulabilityVenous stasisVenous thrombosis  <response>: Virchows triad refers to three primary influences that predispose to thrombus formation. Endothelial injury or vascular injury Stasis or turbulence of blood flow Blood hypercoagulability Virchows triad should be the cornerstone for assessment of risk factors for deep venous thrombosis. Stasis can occur with venous insufficiency, severe hea failure, or prolonged bed rest or immobility of an extremity following coma, pelvic or limb fracture, paralysis, extended aeroplane travel, or a lengthy operation. Endothelial injury can result from direct trauma severed vein, venous cannulation, or transvenous pacing or local irritation secondary to the infusion of chemotherapy, previous DVT, or phlebitis. 