On the  long scale , one billion is 1 million million, or 1 and 12 zeroes (1,000,000,000,000). The long scale is still used in some European countries (France, for example). The UK switched to the short scale in 1970/71. On the  short scale , one billion is 1,000 million, or 1 and 9 zeroes (1,000,000,000).
The amount of vitamin K in your diet can affect the amount (dose) of. warfarin you need to take. Your medicine dose must be balanced with your. diet to allow the drug to work correctly. A few things to remember when taking warfarin: You want a medium or moderate amount of vitamin K in the foods you. eat.
Guide for using INR to manage warfarin. Dosage Adjustments for Patients on Warfarin Maintenance Therapy, Target 2.0 - .0. INR Dosage Adjustment. < 1.5 Increase weekly dose by 20% and give one time top-up additional amount equal to 20% of weekly dose. 1.5 - 1.9 Increase weekly dose by 10%. 2.0 - 3.0 No change.