broken heart syndrome

Finally, a study where espousing the thought -- If you cared about my heart and well-being, then you wouldn’t stress me -- could be a win-win. Can anger trigger a heart attack? How about intense physical activity? Here's a closer look at heart health and heartbreak.  
Takotsubo cardiomyopathy, or “broken heart syndrome,” has always been associated with a negative emotional trigger, which can lead to sudden cardiac death. But new research reveals for the first time, that positive emotions can also precipitate this condition.