My friend Susan was driving on a busy Atlanta highway when she was struck by what she was certain was a heart attack. Her heart started pounding out of her chest, her breathing was so constricted she was gasping for air, and she was pouring sweat. She managed to pull off the highway and call her husband, tearfully explaining what happened and that she needed to get to a hospital. He picked her up and headed straight to the emergency room. After a battery of tests and hours at the hospital, the doctors told my friend her heart was perfectly normal. She hadn’t had a heart attack. She’d had a panic attack. Of course she was relieved she wasn’t dying or didn’t need surgery. But she was also embarrassed and confused. How could she be driving along the highway minding her own business and suddenly be blind-sighted by sheer terror and a host of symptoms that are classic heart attack warning signs? Every time she got back in the car, especially if she had to drive on the highway, my friend felt extremely anxious and on edge, fearing another attack might happen. Over time, she stopped going out as much and would go to extremes to