Shocking Medical Mistakes

Dr. Oz says he hopes Grant's story will help launch "the smart patient movement."

"It's about realizing that you are the world expert on your body, that you can hear your body shouting out things to you," he says. "And if you're not getting the feedback that you think you need to get, to keep pushing."

Being a smart patient—taking an active role in advocating for the best care available—does not make you selfish. "It's being brave enough to stand up and say, 'I'm going to do this not just for me but for the guy behind me, because they're going to benefit as well,'" he says. "That's how we'll make healthcare safer in America."

Take control of your health—become a smart patient

The medical mistake that nearly killed Dennis Quaid's newborn twins