Dialectical Behavior Therapy (DBT) has been shown effective with explosive patients with borderline personality disorder, patients with bulimia, and patients with widely swinging and often highly inappropriate moods.
In brief, whether genetic or learned, many injured workers lack the capacity for self-soothing (e.g. calming down) when confused, upset or disappointed.
Unable to calm, they either attempt to curb the feelings with drugs or alcohol, verbally or physically attack a convenient target, and/or in some cases the explosive harm him/herself.
Since office visits are brief, and certainly not a place for psychotherapy, there are still approaches used in psychotherapy that you can implement:
a. Let’s step back and look at this situation we are in with your back (neck, shoulder, knee, etc) allowing them a perceived distance from the immediacy of the threat.
b. Distract them by bringing up important, but not necessarily provocative topics such as to which of your medications (therapies, doctors, etc) are most effective for you?
c. Asking the potentially explosive patient what would be of assistance to you this moment what would help you relax, reminding them, thereby that they need (can learn) to self-soothe (something they inherent lack without assistance)
d. Assisting them to not dichotomize things into good/evil this is very unpleasant, but it is manageable if you will work with me.
Globally, the problem is that anything that they emotionally experience triggers their need for immediacy of relief. Aggression towards others or even themselves provides (learned) immediate relief and then drastic consequences.
Your goal is to both maintain control of your interactions with the patient but also to insure that they feel they can regulate their own distress without resorting to chemicals or verbal/physical violence.