Yep. Heck, just about anything can trigger PTSD depending on the cause. I was once triggered badly at work because a co-worker that I was supposed to be taking direction from told me to do something I knew to be dangerous (and frankly, incredibly stupid). In the end, I kept my mouth shut (first mistake), did what I knew was right (second mistake), and went on to the next task (third mistake). The next thing I know, I'm being called on the carpet and was not allowed to speak to defend my actions. Gee, sure wasn't the first time I got in trouble for doing the right thing and then not being allowed to speak. I swear my boss must have called my mother to ask her what the worst possible thing he could do to send me over the edge because that's how I felt. When I left his office, I got my stuff together, clocked out, and never went back.

I hope it works out better for you. These situations usually do. This one was the worst case scenario. Eventually, you learn what your triggers are and deal with them much better. EMDR was a huge success for me when it comes to such things.

Good Luck!