<prompt> Which of the following is advocated in dicoumarol poisoning: March 2005WarfarinHeparinLMWHVitamin K  <response>: Ans. D: Vitamin K Dicoumarol is a competitive inhibitor of Vitamin K preventing the formation of prothrombin. Administration of Vitamin K is the antidote for dicoumarol toxicity. Follow-up is done by measuring the prothrombin time PT. 