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Using Critical Incident Stress Debriefing in the Post-ventive aftermath to Mitigate Traumatic Stress Reaction in Employee-Survivors

Using Critical Incident Stress Debriefing in the Post-ventive aftermath to Mitigate Traumatic Stress Reaction in Employee-Survivors
Joseph A. Davis, Ph.D., FAAETS, CTSS


Caught off guard and "numb" from the impact of a critical incident, employers and employees are often ill-equipped to handle the chaos of such a catastrophic event like workplace violence. Consequently, survivors of such an event often struggle to regain control of their lives to regain a sense of normalcy. Additionally, many who have been traumatized by a critical life-changing event may eventually need professional attention and care for weeks, months and possibly years to come. The final extent of any traumatic event may never be known or realistically estimated in terms of loss, bereavement, mourning and grief. In the aftermath of any critical incident, psychological reactions are quite common and are quite predictable. Critical Incident Stress Debriefing or CISD and the management of traumatic reactions by survivors can be a valuable tool following a life-threatening event.

Since the mid-1980s, following many high profile events tied to the United States Postal Service, the need to provide victim assistance to employees in the workplace setting has received more positive attention than ever before. This prevention and intervention movement has gained a lot of momentum with the passage of state and federal legislation designed to protect, provide resources and services to those who are physically or emotionally traumatized in the workplace.

As part of a corporate Human Resources Division strategy, an HR administrator can employ, train and deploy trauma specialists to provide direct, face-to-face contact or phone contact as part of an overall Crisis Response Teams (CRT) program. This integrated team acts to off-set risk, mitigate fall-out and enhance recovery and sustainability in the event of an acute or short-term man-man or natural workplace stoppage. Additionally, trauma specialists can be identified in nearby locations if not on site who can respond quickly be being placed on-call or on "stand-by" (ready alert) regardless of the situation. This is an absolute must legally, ethically and morally should a catastrophic event occur.

What is a Critical Incident?

The author defines examples of a "critical incident" as a sudden death in the line of carrying out his or her day-to-day duties, serious injury from a shooting, a physical or psychological threat to the safety or well being of an individual, business or community regardless of the type of incident. Moreover, a critical incident can involve any situation or event faced by emergency, public safety personnel (responders) or employees that causes a distressing, dramatic or profound change or disruption in their physical (physiological) or psychological functioning.

There are oftentimes, unusually strong emotions attached to the event which have the potential to interfere with that person's ability to function either at the crisis workplace scene or away from it at home (Davis, 1992; Mitchell, 1983). This is what the author calls "dosage exposure". The closer the employee or victim is to the critical incident (primary, secondary, tertiary or quaternary) the stronger or weaker the reaction (biopsychosocial and cultural) they will have to the event.

Clinically, traumatic events and their impact on individuals are fairly predictable. When a person has been "exposed" to a critical incident, either briefly or long-term, this exposure can have a considerable impact on their global functioning. Historically, some of the first documented cases of traumatic stress or what used to be called "transient situational disturbance" (TSD) can be traced to military combat.

In time, researchers began to find evidence that emergency workers, public safety personnel and responders to crisis situations, rape victims, abused spouses and children, stalking victims, media personnel as well as individuals who were exposed to a variety of critical incidents (e.g., fire, earthquake, floods, industrial disaster, and workplace violence) also developed short-term crisis reactions.

Trauma Reactions

Trauma personnel refer to short-term crisis reactions as the "cataclysms of emotion" where feelings and thoughts run the spectrum and include such diverse symptoms as shock, denial, anger, rage, sadness, confusion, terror, shame, humiliation, grief, sorrow and even suicidal or homicidal ideation. Other responses include restlessness, fatigue, frustration, fear, guilt, blame, grief, moodiness, sleep disturbance, eating disturbance, muscle tremors or "ticks", reactive depression, nightmares, profuse sweating episodes, heart palpitations, vomiting, diarrhea. hyper-vigilance, paranoia, phobic reaction and problems with concentration or anxiety (APA, 1994; Horowitz, 1976; Young, 1994). Flashbacks and mental images of traumatic events as well as startle responses may also be observed. It is important to consider that these thought processes and reactions are considered to be quite normal and expected with crisis survivors as well as with those assisting them. Some of the described symptoms surface quickly and are readily detectable. However, other symptoms may surface gradually and become what the author calls "long-term crisis reactions." These responses can be masked within other problems such as excessive alcohol, tobacco and/or drug use. Interpersonal relations can become strained, work-related absenteeism may increase and, in extreme situations, divorce can be an unfortunate by-product. Survivor guilt is also quite common and can lead to serious depressive illness or neurotic anxiety as well (APA, 1994; Mitchell, 1983; Young, 1994).

What is Critical Incident Stress Debriefing (CISD)

Debriefing is a specific technique designed to assist others in dealing with the physical or psychological symptoms that are generally associated with trauma exposure. Debriefing allows those involved with the incident to process the event and reflect on its impact. Ideally, debriefing can be conducted on or near the site of the event (Davis, 1992; Mitchell, 1986). Defusing, another component of CISD, allows for the ventilation of emotions and thoughts associated with the crisis event. Debriefing and defusing should by provided as soon as possible but typically no longer than the first 24 to 72 hours after the initial impact of the critical event. As the length of time between exposure to the event and CISD increases, the least effective CISD becomes. Therefore, a close temporal (time) relationship between the critical incident and defusing and initial debriefing (i.e., there may be several) is imperative for these techniques to be most beneficial and effective (Davis, 1993, Mitchell, 1988).

Research on the effectiveness of applied critical incident debriefing techniques in the workplace has demonstrated that individuals who are provided CISD within a 24-72 hour period after the initial critical incident experience less short-term and long-term crisis reactions or psychological trauma (Mitchell, 1988; Young, 1994). Subsequently, emergency service workers, rescue workers, police and fire personnel as well as the trauma survivors themselves who do not receive CISD, are at greater risk of developing many of the clinical symptoms the author has briefly outlined in this article (Davis, 1992; Mitchell, 1988). From the author's perspective, when applying debriefing techniques, an appropriate and effective standardized protocol must be followed when assisting responders and employee crisis survivors of any critical incident (more on that matter later or in future commentary).

Most approaches to CISD incorporate one or more aspects of a Seven Part (7) Model. The model that the author suggests here consists of several key points that should be followed as a general guideline when addressing responders and/or employee survivors who are involved in man-made, natural or industrial disasters.

A Crisis Intervention Response Specialist must lay the constructive groundwork for an initial "assessment" (audit) of the impact of the critical incident on the employee survivor(s) and support personnel by carefully reviewing their level of involvement before, during and after the critical incident (Mitchell, 1988, 1986; Davis, 1993).

As a general guideline, the author suggests incorporating the following seven (7) Key Points into the debriefing process when providing assistance to employee survivors or to emergency rescue responders. They are:

1. Assess (audit) the impact of the critical incident on support personnel and survivors;

2. Identify immediate issues surrounding problems involving "safety" and "security;"

3. Use defusing to allow for the ventilation of thoughts, emotions, and experiences associated with the event and provide "validation" of possible reactions;

4. Predict events and reactions to come in the aftermath of the event;

5. Conduct a "Systematic Review of the Critical Incident" and its impact emotionally, cognitively, and physically on survivors. Look for maladaptive behaviors or responses to the crisis or trauma;

6. Bring "closure" to the incident "anchor" or "ground" support personnel and survivors to community resources to initiate or start the rebuilding process (i.e., help identify possible positive experiences from the event);

7. Debriefing assists in the "re-entry" process back into the community or workplace. Debriefing can be done in large or small groups or one-to-one depending on the situation. Debriefing is not a critique but a systematic review of the events leading to, during and after the crisis situation.

First, the "debriefer" assesses individuals' situational involvement, age, level of development and degree of exposure to the critical incident or event. Consider that different ages of the individuals, for example, one may respond differently based on their developmental understanding of the critical event (Davis, 1993) .

Second, issues surrounding safety and security surface, particularly with children. Feeling safe and secure is of major importance when suddenly without warning, families, and employees lives are shattered by tragedy and loss.

Third, ventilation and validation are important to individuals as each, in their own way, needs to discuss their exposure, sensory experiences, thoughts and feelings that are tied to the event. Ventilation and validation are necessary to give the individual an opportunity to emote.

Fourth, the debriefer assists the employee survivor or support personnel in predicting future events. This involves educationabout and discussion of the possible emotions, reactions and problems that may be experienced after traumatic exposure. By predicting. preparing and planning for the potential psychological and physical reactions surrounding the stressful critical incident, the debriefer can also help the employee survivor prepare and plan for the near and long-term future. This may help avert any long-term crisis reactions produced by the initial critical incident.

Fifth, the debriefer should conduct a thorough and systematic review of the physical, emotional, and psychological impact of the critical incident on the workplace and on the employee survivor or survivors. The debriefer should carefully listen and evaluate the thoughts, mood, affect, choice of words and perceptions of the survivor of a critical incident and look for potential clues suggesting problems in terms of managing or coping with the tragic event upon impact and in the near future.

Sixth, a sense of closure is needed. Information regarding ongoing support services and resources is provided to survivors. Additionally, assistance with a plan for future action is provided to help "ground" or "anchor" the employee survivor during times of high workplace adjustment and stress following the incident.

Seventh, the debriefer and the use of debriefing assists in short-term and long-term recovery as well assisting the employer and the employee-survivor re-entry process. A thorough review of the events surrounding the traumatic situation can be advantageous for the healing and recovery process to begin.

Strong Reactions to Trauma are Not Immediate

As with any man-made, natural or accidental critical or catastrophic event, many suffer from short-term crisis reactions. Others, depending on their "dosage exposure" may need attention for a psychiatric disorder called "posttraumatic stress disorder or PTSD. PTSD as disorder can be difficult to diagnose as its onsite can be acute or delayed. Furthermore, it can involve a host of other symptoms sleep disturbance, anxiety, acute reactive depression and phobic disorder. Some employee-survivors and their families cannot be left alone because of overwhelming fear, loss of personal control over their environment, their community, their lives and livelihood. Almost everyone in a close, tight-knit business community will know someone who has been effected, hurt, seriously injured or perhaps might have died.


A human resource corporate officer, business manager or director must consider all of the implications of a workplace related critical incident do to legal, ethical and moral reasons. Furthermore, it has been demonstrated that Critical Incident Stress Debriefing or CISD and its close cousin, Critical Incident Stress Management or CISM is an effective way to intervene and reduce (mitigate) employee-survivor reaction to crisis.

It is highly recommended as part of an overall "risk management" strategic business plan for sustainability purposes; human resource officers must consider CISD and CISM as an integral part of doing business on a day-to-day basis in the event of a critical or catastrophic work stoppage situation.


American Psychiatric Association (2000). Diagnostic and Statistical Manual for Mental Disorders . Washington, DC: American Psychiatric Press.

Davis, J. A. (March, 2004). On-site critical incident stress debriefing field interviewing techniques utilized in the aftermath of mass disaster. Training Seminar to Emergency Responders and Police Personnel, San Diego, CA.

Davis, J. A. (May, 2003). Graduate seminar in the forensic sciences: Mass Disaster Preparation and Psychological Trauma. Unpublished Lecture Notes, San Diego, CA.

Horowitz, M. (1976). Stress response syndrome, character style and dynamic psychotherapy. Archives of General Psychiatry, 30, 768-781.

Mitchell, J. 1. (1988). Stress: The history and future of critical incident stress debriefings. Journal of Emergency Medical Services, 7-52.

Mitchell, J. T. (September/October, 1986). Critical incident stress management. Response, 24-25.

Mitchell, J. T. (January, 1983). When disaster strikes: The critical incident stress debriefing process. Journal of Emergency Medical Services.

Young, M. A. (1994). Responding to communities in crisis. National Organization for Victim Assistance. NOVA, Washington, D.C.

About the Author:

Joseph A. Davis, Ph.D., FAAETS, CTSS is a fellow and diplomate of the American Academy of Experts in Traumatic Stress and a certified Trauma Stress Specialist affiliated with the Association for Traumatic Stress Specialists. Dr. Davis has over 20 years of experience in field trauma psychology, disaster mental health and disaster recovery operations. He is a member of the American Psychological Society and a founding member of the American Psychological Associations Special Interest Group on Disaster and Trauma Psychology. A former stress management counseling staff member for FEMA, he is now on staff with the U.S. Government's National Disaster Medical Service (NDMS), he is a former Mental Health Officer and now currently an Operations Officer with U.S. PHS, DHHS and DMORT. He is also an adjunct professor of psychology and criminal justice at California State University, a trainer for the California Department of Justice and the California Governor's OES on Mass Disaster Incident Response. His experiences include OKC, 911 and numerous workplace critical incident-driven CISD and CISM deployments over his career. He is a Professional Services Reserve for OCSD. He can be reached through W. Barry Nixon, SHRM, Executive Director for National Institute for Prevention of Workplace Violence.You can reach Dr. Davis directly at 858-268-3610 or