been on ramipril for over 10 years, with 24/7 AF......no effect on AF ever. Always take all my meds in the morning never at night. Meds include: Warfarin, ramipril 10mg, aspirin 75mg, bisoprolol 2.5mg and a Lipitor 10mg, all taken in the morning at 8am ishby gerrya - AFIBBERS FORUM