Background Anticoagulation therapy reduces stroke risk in patients with atrial fibrillation (AF), but it is often underused ...

Product-to-product variability due to a mix of different manufacturer brands of warfarin was eliminated as a possibility, since our hospital dispensed only Coumadin (Bristol-Myers Squibb ...

The prescribing information for Coumadin mentions that antacids have ... magnesium as affecting INRs in patients receiving warfarin. Our patient did have a subtherapeutic INR on March 16, but ...