Emergency Departments (EDs) have long been recognised as one the most stressful specialities with the highest levels of burnout (Healy & Tyrrell, 2011). Lack of support following critical incidents is one of the key contributors to a stressful work environment for nurses working in EDs (Healy & Tyrrell, 2011). The most severe form of stress ED nurses experience is Post-Traumatic Stress Disorder (PTSD). The Ministry of Health (2004) predicts increasing demand for specia…