High - level exercise can trigger heart attacks in those with blocked arteries, so consult with your physician before adopting a major change in your lifestyle. (yogauonline.com)
While it likely will not trigger a heart attack itself it could easily cause other complications which lead to a severe one for you. (ahealthblog.com)
So while the absolute risk of any one episode triggering a heart attack is low, this data demonstrates that the danger is very present. (sciencedaily.com)