Pots/dysautonomia or anixety?

I have anixety from 4 year I stopped medicine 7 months ago after taking 3 months few days ago I got panic attack I was doing manually breathing so I was irritate so try to fight it suddenly I felt something weird back of head and felt like something brushr in my head so I was panic after few minutes I felt like I am not breathing next day I was not feeling my heart beat in chest while running or panic so I have others symptoms too shortness of breath chest pain low bp .and lightheaded everytime dizziness my muscles become week and i have boI m worry about this condition is pots and dysautonomia please tell me what ic can be