Critical Incident Stress Debriefing (CISD) was introduced in 1983, but the name was changed to Critical Incident Stress Management (CISM) to more accurately reflect the entire spectrum of services and treatment modalities for a first responder after a critical/traumatic incident.

Critical Incident Stress Debriefing is a tactic used to provide a "psychological or emotional first aid" to first responders. It's not intended to diagnose or cure anything, but simply to recognize the need for further intervention and potentially reduce or