Hello Cassie,
I can relate to you in many ways. After my 1st panic attack I always thought it was my heart, stroke, etc. it took 3 weeks of no sleep , not being able to eat etc. to finally get a doc to help.My anxiety at the beginning made my heart race like crazy. I know you don't have medical but reach out ....the meds helped me slow down and be able to feel like I had some control. I was totally against medication but knew I was exhausted and couldn't function at work or at home. There are good books about anxiety at the library and when I read it helped me to know I was not alone in how I felt.
Cassie, for me its kind of like a roller coaster. Like others have posted if you can get your mind on to something else that can help. I will pray today that a door will open and you will find a good therapist or doc. take care and keep posting ......we care.