In particular, a billion is 10 9 = 1 000 000 000 in the American system and 10 12 = 1 000 000 000 000 in the European system. For 10 9, Europeans say thousand million or milliard.. Although we describe the two systems today as American or European, both systems are actually of French origin.
Definition of warfarin. : a crystalline anticoagulant coumarin derivative C19H16O4 that inhibits the production of prothrombin by vitamin K and is used as a rodent poison and in medicine; also : its sodium salt C19H15NaO4 used especially in the prevention or treatment of thromboembolic disease.
Warfarin is an anticoagulant medicine (blood thinner). Warfarin-induced skin necrosis refers to a rare condition in which there is paradoxical blood clotting. Blood clots block the blood vessels and cause necrosis, i.e., an area of skin is destroyed. Warfarin induced skin necrosis affects one in every 10,000 patients prescribed warfarin. The onset is usually within the first 2 to 5 days of warfarin therapy, when the blood tends to clot more than is normal.