Hello @hartline and welcome to Mayo Clinic Connect. I understand you are having chest pain and have been to the Emergency Department as a result 4 times since your hernia surgery. I am sure this must be very concerning and scary for you.

I found the following article that illustrates typical symptoms of heart-related and non-heart related symptoms of chest pain so you can try to narrow down which might resonate more with your experiences these last several months.

-Chest Pain - Symptoms and Causes:
https://www.mayoclinic.org/diseases-conditions/chest-pain/symptoms-causes/syc-20370838
-Why does my chest hurt?
https://www.webmd.com/pain-management/guide/whats-causing-my-chest-pain#1
Can you come back and share your thoughts/reactions?