Clearly define Acute/Critical Incident Stress, Post-Traumatic Stress Injury, Cumulative Stress and Vicarious Trauma. List the causes, signs and symptoms. Discuss the history of CIS/PTSD and its relevance to present day Emergency Services. Discuss possible methods you can/would use to increase awareness of CIS/PTSD to co-workers, family and to the public. Discuss some of the personal approaches you may use to overcome the lasting effects of CIS/PTSI.