<prompt> Virchows triad include all the following exceptStasis of bloodAbnormalities of venous channelsHypercoagulabilityEndothelial damage  <response>: Ans b Abnormalities... Ref Bailey 25th ed pg 936Virchow described three factors important in the development of VENOUS THROMBOSIS.1 Changes in the vessels wall endothelial damage2 Stasis, which is diminished flow through the veins.3 Coagulability of blood thrombophlebitisSo answer is abnormalities of venous channels which is not included in Virchows triad.Risk factors for venous thromboembolismVery important Refer Table Bailey 25th edpg 936 