I know exactly what you have been going through when it comes to the overarching pain and feeling of impeding doom/death. I have had this for a few months now. It almost seems as paranoia and anxiety can truly take over once the person gets so caught up in their mind. I have had heart tests in the past few weeks (ekg, echocardiogram, stress test) to make me feel better that there is nothing actually wrong, but every now and then I still feel like something is wrong. When an anxious mind has fuel, such as an unknown pain or feeling, it is too easy to mistake it for something major when it is just a minor pain.

I understand how you feel about the disconnection/dissociation and always stressed/never relaxed. I go through spells like this and the only way I truly feel better is by putting all important things down and taking some time to myself, but even that doesn't work all the time. I live in a beautiful place and I find it difficult to always live in the moment and breath in the fresh air. Speaking of breathing, breathe work helps me calm down and maybe this will make your pains go away over time. It is definitely too easy to fall into the mind's traps...but I hope these pains go away over time. Everything seems to come and go and it also seems as the doctors do not really know what to do about this all the time. Feel better and I hope for all the best for you in the future.