Anyone Else with Periodic Psychogenic Stuttering?

Anyone Else with Periodic Psychogenic Stuttering? I have normal verbal fluency under ordinary circumstances, but when my emotions rise, be it anger, fear, anxiety, frustration, etc. or when I have to broach any subject vaguely related to a past trauma experience (for which I was given a PTSD diagnosis), my fluency goes out the window. I block, and it feels like trying to push against a brick wall. I hold my breath trying to force the word out. I also have a lot of elongation, usually when I manage to push the first sound past the block, and I'm trying to pull the rest of the word out behind it, as if through a small hole in the block. I tend to repeat the beginnings of hard sounds like B, P, N, etc. over and over, kind of like I'm trying to jump over a large hole. I make a running start, and my brain stops me from jumping at the last second, so I have to back up and start again. Usually when I get stuck in these ways, I give up on speech and resort to writing to communicate. When the emotional stress is gone, the fluency returns to normal. Does anyone else experience this kind of intermittent stuttering?