In a previous study Edmondson found that heart attack survivors with PTSD were less likely to take their medication, which is strange considering their fear of having another one. But Edmondson believes the daily pills simply remind survivors of what they experienced.
"What if the immediate psychological need to not feel anxious and in danger or threatened in the moment is more pressing than the long-term future need of not having to have another stroke," he asks.
Mogle went to see a psychiatrist after his girlfriend confronted him about his behavior. He was put on antidepressants, and the therapist helped him work through his anger. In October he went back to Notre Dame and met with some of the EMTs and firefighters who worked on him that day.
In January he joined the CNN Fit Nation team, which has helped him channel his energy into training for a triathlon. He wears a heart-rate monitor during every workout to ensure he doesn't trigger his ICD or implantable cardioverter-defibrillator.
"Life is never going to be like it was when I was 30," he said. "So I just have to get used to that."