I'm sorry to hear that and I hope it turns out to be nothing. It's important to remember that you are n=1 and the timing could be a coincidence. It could be th

I'm sorry to hear that and I hope it turns out to be nothing. It's important to remember that you are n=1 and the timing could be a coincidence. It could be the vaccine. It could be stress from the pandemic causing angina. It could be lifestyle (do you exercise every day, eat healthily, sleep well, manage stress? - if not then angina in your 30s/40s is common). It could even, as happened to a friend of mine, be a nerve issue in your chest muscles that's completely unrelated to your heart (aside: my friend was extremely relieved by this diagnosis which took quite a while to come by).