Don't pay any attention to what I'm saying folks. I'm an anonymous person on social media. So is u/Anither.

Instead go the the Heart and Stroke Foundation of Canada website and read what they say about pericarditis. It's here: https://www.heartandstroke.ca/heart-disease/conditions/pericarditis

If you think you've got it go to the hospital. If they send you home either you don't have it or it's a mild case.