I'd have to say slight. I usually avoid all situations which has the potential to make me panic. When I don't, and I get palpitations etc, I can pretend to be calm enough so that people not paying attention won't notice, at least long enough to be able to find an excuse and get away. But my hands will start shaking a bit and so will my voice and I will have trouble holding my head straight, so usually people will notice and this will make me even more nervous.
I've never had the severe case you described, but I came close (in one or two really bad job interviews).
I've never had the severe case you described, but I came close (in one or two really bad job interviews).