The world-renowned Mayo Clinic in Rochester, Minnesota has been issuing iPads to physicians for a while, and now one of the Apple tablets is credited with helping to save the life of a man who suffered an arterial blockage at the facility. As reported in the Post-Bulletin newspaper, 48-year-old Andy McMonigle was working out with his cycling club at the clinic's Dan Abraham Healthy Living Center when he began to feel intense pressure in his arm. McMonigle has a history of heart trouble, so he immediately went to the locker room and asked a man for help. That man was Mayo Clinic internal medicine resident Dr. Daniel Leuders, who stayed by the side of McMonigle and yelled lou