title: Ask the doctor. My wife's medication to treat atrial fibrillation recently was changed from warfarin to a new drug called Pradaxa. They say that the new medicine does not require regular INR tests and is just as effective. Is that so?
authors.forename: Anthony L
authors.initials: AL
authors.lastname: Komaroff
mesh_terms: D000925:Anticoagulants; D001281:Atrial Fibrillation / Q000188:drug therapy; D000069604:Dabigatran; D006801:Humans; D019934:International Normalized Ratio; D018454:Spouses; D014859:Warfarin
chemical_list: D000925:Anticoagulants; D014859:Warfarin; D000069604:Dabigatran