Tim Russett's heart attack

Tim Russet, the famous newscaster recently died of a heart attack. As a famous newscaster, he had access to the best doctors and medical care in the world. His doctors claim that everything was being done for him to keep his heart healthy (think prescription drugs) but his obvious risk factor, obesity was not addressed. Did the prescription drugs that his doctors placed him on cause his heart attack? See http://www.yourmedicaldetective.com/public/1035.cfm for a perspective from Dr. Grisanti