March 10, 2009 (Hamilton, Ontario) – Low-dose oral vitamin K did not reduce bleeding in patients who have been overanticoagulated on warfarin, a new study has found, leading the authors to conclude ...

Warfarin is a medication that, with few exceptions, is dosed to effect. When the INR does not respond as predicted, it is important to consider possible causes before the warfarin dose is adjusted.

The National Institute for Health and Care Excellence (NICE) is producing guidance on using the CoaguChek XS system and the INRatio2 PT/INR monitor in the NHS in England. The Diagnostics Advisory ...