If you have a glass of wine and your symptoms are relieved or dissappear, you most likely have anxiety not heart problems. Same goes with physical activity such as exercise, if these things help you feel better, it's most likely anxiety.
It's unlikely at your age and after having being checked thoroughly a year a go, that you could have developed a serious heart condition. If you are determined not to visit a doctor, (not a good idea) you can take your own pulse and you can check your blood pressure at the pharmacy. Do a Google search to see what your readings should be.
Like the rest of us, you are having to come to grips with your own mortality all at once instead of little by little over your lifetime like everyone else in the world does . You havent developed the coping skills for this because like a drug addict, your religious beliefs numbed you from the reality you wanted to avoid. Trust me, you will come to terms with it and it will be a releif not to have the issue of eternal life and whether you deserve it or not, hanging over you. If I can do it, so can you . A few years ago I suffered terribly and would never have beleived I could have progressed this far so fast. I wish I'd have seen this forum during that time, much of my suffering would have been eliminated.
If you want, you can PM me and I'll send you my phone number and I'll talk to you by phone if you think that would help. (west coast U.S.)
Our feelings are caused by thoughts and our feelings are only as real as we let them be. Right now I want you to just trust that in time you will be able to handle the unpleasant sensations of anxiety. Don't run from them...turn and face them and the Lion that they seem like now, will shrink down to the size of a mouse.