This is an interesting question, and I am sorry to hear about all of the different ailments that you are serving from. I encourage you to discuss your concern with your doctor
. Unfortunately, there are some people who end up with many diagnosis that can impact the quality of their life from then on, and I hope that you are able to get the help that you need so that you can enjoy life more fully due to improved control of your symptoms. As for these twinges, it certainly sounds like you have had a very thorough workup that can be quite reassuring. The many studies that have been performed to make sure that your heart is not in danger can help you to have some confidence on that aspect, although you should continue to work with your doctor if you have new concerns. As for these twinges that you describe, it is hard to say what they could be. It could be due to your medications that you are on, it could be a simple reaction that all of us feel intermittently, or it could be something vague that relates to something else. It would be an uncommon symptom for many things, but please discuss it in more detail with your doctor.