Current therapeutic anticoagulation with warfarin (or coumarin derivatives)
Patients for whom prophylactic anticoagulation therapy (eg. 81 or 325 mg aspirin PO daily or warfarin (Coumadin) 1-2 mg/day, or any other coumarin-derivative anticoagulants) is not an option unless due to thrombocytopenia
Those who require therapeutic anticoagulation with coumarin-derivative anticoagulants
Current therapeutic anticoagulation with warfarin (or coumarin derivatives)
Known coagulopathies, and those who require therapeutic anticoagulation with coumarin-derivative anticoagulants
Patients who are currently receiving treatment with warfarin sodium (Coumadin®) or any other coumarin-derivative anti-coagulants
Therapeutic treatment with Coumadin or any other coumarin-derivative anticoagulant
Patients for whom prophylactic anticoagulation therapy (eg. 325mg aspirin PO daily or warfarin [Coumadin] 1-2 mg/day, or any other coumarin-derivative anticoagulants) is not an option