title: Ask the doctor. I am due to have a colonoscopy. My cardiologist told me that I will need to stop taking Coumadin, which I take for atrial fibrillation, a few days before the procedure and get some injections. Is this really necessary?
authors.forename: Samuel Z
authors.initials: SZ
authors.lastname: Goldhaber
mesh_terms: D000925:Anticoagulants / Q000009:adverse effects* / Q000627:therapeutic use; D003113:Colonoscopy / Q000379:methods*; D017985:Dalteparin / Q000627:therapeutic use; D017984:Enoxaparin / Q000627:therapeutic use; D006471:Gastrointestinal Hemorrhage / Q000209:etiology / Q000517:prevention & control*; D006801:Humans; D011300:Preoperative Care; D013997:Time Factors; D014859:Warfarin / Q000009:adverse effects* / Q000627:therapeutic use
chemical_list: D000925:Anticoagulants; D017984:Enoxaparin; D014859:Warfarin; D017985:Dalteparin