Patient Puts Faith in Minimally Invasive Procedure Sylvester T. Davis, 87, of Flint, always had regular checkups with his doctors over the years. When his wife started having heart problems, she encouraged him to get his heart checked out, as well. After she passed away from complications with her heart, Davis knew he had to remain vigilant with his checkups. “It was just a routine checkup last fall when I found out my arteries were clogged and my aortic valve was not working properly,” said Davis. “Aft...