A-fib–a Rapid, Irregular Heartbeat–Can Kill You, but New Tech Can Spot It
February 1, 20244min readA fluttering heartbeat called A-fib can lead to stroke, but smartwatches can detect it, and there are good treatmentsBy Lydia Denworth Two years ago I was walking in a park with an older relative when she suddenly stopped and put her hands out for support. Her heartbeat had gone haywire, causing chest pains and making her feel lightheaded and short of breath. The incident ended after a few minutes, but it was alarming to both of us. Yet it was also familiar for her—she had felt these sensations a!-->…