BILLINGS — A Billings man is alive today because the people around him didn't hesitate when he went into cardiac arrest during a workout — and now he's sharing his story to encourage others to learn CPR. Watch Mick Brown talk about his experience:Quick-thinking coach uses CPR to save Billings man from cardiac arrest in gym"I told her all of a sudden I was feeling dizzy. And so just went into it while they grabbed the AED," Ban said. Ban said every coach at the gym is required to complete CPR training. Brown said the heart rate monitors used in class also carry new meaning for him now.