From Malcolm Gladwell at The New Yorker

One evening in August, Kyle Turley was at a bar in Nashville with his wife and some friends. It was one of the countless little places in the city that play live music. He’d ordered a beer, but was just sipping it, because he was driving home. He had eaten an hour and a half earlier. Suddenly, he felt a sensation of heat. He was light-headed, and began to sweat. He had been having episodes like that with increasing frequency during the past year—headaches, nausea. One month, he had vertigo every day, bouts in which he felt as if he were stuck to a wall. But this was worse. He asked his wife if he could sit on her stool for a moment. The warmup band was still playing, and he remembers saying, “I’m just going to take a nap right here until the next band comes on.” Then he was lying on the floor, and someone was standing over him. “The guy was freaking out,” Turley recalled. “He was saying, ‘Damn, man, I couldn’t find a pulse,’ and my wife said, ‘No, no. You were breathing.’ I’m, like, ‘What? What?’ ”

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