A 58-year-old with a first episode of proximal DVT is hemodynamically stable, creatinine clearance 65 mL/min, no cancer or pregnancy. What is the preferred initial anticoagulation strategy?AWarfarin with immediate start and no parenteral bridgeBIV unfractionated heparin for 5 days then warfarinCLow-molecular-weight heparin for 5 days then warfarinDApixaban 10 mg twice daily for 7 days, then 5 mg twice dailyEIVC filter placement with no anticoagulationCheck my answer