what are the Recommendations for Selecting an Anticoagulant Regimen—
Balancing Risks and Benefits
Referenced studies that support new or modified recommendations
are summarized in Online Data Supplements 1 and 2.?
Among patients treated with warfarin, the international normalized ratio (INR) should be determined at least weekly during initiation of anticoagulant therapy and at least monthly when anticoagulation (INR in range) is stable.S4.1.1-12?S4.1.1-14 MODIFIED: ?Antithrombotic? was changed to ?anticoagulant.?