<prompt> Use of anticoagulant is -Venous thrombosisArterial thrombosisVitamin K toxicityHeart failure  <response>: Ans. is a i.e., Venous thrombosis Prophylaxis for venous thrombuso Heparin unfractioned, LMW, or fondaparinox and oral anticoagulants warfarin.Prophylaxis for arterial thrombuso Aspirino Clopidogrelo Ticlopidine 