title: I am taking warfarin (Coumadin) for atrial fibrillation, but I don't know why.
mesh_terms: D000925:Anticoagulants / Q000008:administration & dosage*; D001281:Atrial Fibrillation / Q000188:drug therapy*; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D014859:Warfarin / Q000008:administration & dosage*
chemical_list: D000925:Anticoagulants; D014859:Warfarin