For those who are desperate to draw a link between vaccines and heart attacks, this article essentially says the opposite of that. While the paper itself doesn't differentiate between vaccinated and unvaccinated populations, it does contain a graph showing a state-by-state breakdown of acute myocardial infarction (AMI)-associated deaths:
https://onlinelibrary.wiley.com/cms/asset/c0aed082-9f81-4a88...
Dark purple is a higher rate of death, light blue is lower.
A state-by-state graph of vaccination percentage is available here:
https://static01.nyt.com/images/2020/12/16/us/covid-19-vacci...
These graphs would indicate that the states with the lowest vaccination rates have the highest AMI mortality rates.