Upon receiving the diagnosis, Hunter asked, "Will I be able to dance again?" "I can't give you an answer yet," her doctor said. Hunter got an implantable cardioverter defibrillator, or ICD, to monitor ...

Preparing to go on stage, Noelle Hunter was buzzing with nerves. Hunter, 17 at the time and living in Chadds Ford, Pennsylvania, had been dancing since she was 2 and was used to feeling anxious ...

Finally, a dancer cried out: "Stop the music!" A group of people rushed to the stage. Someone recognized that Hunter's heart had stopped. She was in cardiac arrest. One audience member started ...