Glad I could help a bit. I just saw your first post and you seemed like you needed a pick me up. I felt just like you did perhaps three weeks ago. So sometimes you can heal quite rapidly.
Congrats for going again today! I hope it goes better than yesterday. But you did well then for going back later. It will help. I had my first PA in the gym where I hyperventilated and experienced extreme panic. A few months later I felt that way again. The same intensity. But this time was different. I took a break and went straight back and finished off what I wanted to do. At first I felt dissapointed that after months of panic disorder that I could still experience such an intense PA. But actually the difference was huge because the second time I went back. Going back to face the situation that caused you panic is massive progress and it will lead to breakthroughs. Even if you aren't immediately aware of it.