Chronic chest pains

been having them for a few years chest pains,and every time i go to the doctor they say nothing wrong and had all kinds of heart testes done and no go,until 5 years ago i end up with a heartattack.a big one been in the hosb/for 6 months they say i have 100%blockes in the main arties,but still have two small arties left to work on.like you having chronic chestpains,still trying to understanding them.hope all goes well for you good luck marybeths