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 prescription is part of the ongoing treatment of hart problems with non-tissue replacements. I was operated on in Australia, I was prescribed warfarin after my Mitral Valve replacement. When I first woke up I was given heparin injections this went on for about a week. just now. Report Abuse. warfarin is an anticoagulant given to patients to prevent premature clotting from taking place inside the body. These clots could cause eschemic (stopping blood flow) events in the heart, lungs, and brain.