title: Ask the doctor. I am 86 years old and have been taking Fosamax to strengthen my bones for nearly 10 years. A few months ago, I suddenly fainted and was later diagnosed with atrial fibrillation. Did that happen because I was taking Fosamax?
authors.forename: Thomas
authors.initials: T
authors.lastname: Lee
mesh_terms: D000369:Aged, 80 and over; D019386:Alendronate / Q000009:adverse effects*; D001281:Atrial Fibrillation / Q000139:chemically induced*; D050071:Bone Density Conservation Agents / Q000009:adverse effects*; D006801:Humans; D010024:Osteoporosis / Q000517:prevention & control; D013575:Syncope / Q000139:chemically induced*
chemical_list: D050071:Bone Density Conservation Agents; D019386:Alendronate