Hi Darkblue
I can imagine how you must be feeling. That really sucks. Remember you still have the tools that you used to defeat panic in the first place. Months between a PA is amazing and you should be 100% proud of yourself.
I sometimes feel the way you do when I have a PA after say 2 weeks of no PAs. So I know where you are coming from. Stress of all kinds will heighten your anxiety levels but that doesn't mean that you cannot handle work. Don't downplay the fatigue, stress and worry. They will play a big part.
You do deserve to be free from panic! That isn't arrogance. I am sure this will just be a blip in the radar. The fact that you do not fear PAs is what really counts. Your PA lasted only 2 minutes.