Hi MightyMouse,
I just logged on and read you're post and my heart goes out to you. I am sorry this is five hours late, I am sure you're attack is well over by now and you are probably asleep I hope. Gee I hope I can help, I wish Sunny or Davit or Hugs or Bren or the others were here they are so much more knowledgable than me, I am still trying to recover myself, but I felt so bad when I read you're post because believe me I have been there done that hundreds of times and I am still alive if that is a comfort to you, I felt the exact same way you did convinced I was dying, and I always lived, they say you will NOT die of a panic attack, they are short-lived and they go away. I have had attacks where I stopped them and attacks when I could not, how I got through it was usually splashing the cold water on my face, lying down, breathing and saying a prayer and they always ended, you may feel tired afterward but you will live, I have had so many and I am still here and I had some doozies!
I hope I helped, I am not as good and recovered as the other wonderful people on this site, I will pray for you, it will get better, I told myself "when you stop fearing them they will go away" and that kind of helps, I still am not in great shape myself but you're post cried out to me, I hope you are sleeping peacefully and tommorow will be a great day for both of us.