I found a book called
Change your Brain, Change your Life.
The doctor is a psychiatrist who uses SPECT scanning of the brain and you can actually SEE where the blood is flowing or not to the five centers he describes. Based on this scan, he can then prescribe some meds more accurately than with the hit and miss version of treatment.
I really feel for you as I have the blow ups also, but not near as often as your husband. Fortunately, my partner knows this about me and is pretty tolerant.
I just know that as time goes on, once I was diagnosed with PTSD, that I am getting less angrier and confrontational. But it is taking the efforts of this new "team".
Maybe the chaplain can conduct some sort of "intervention".