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After-Action Reviews in EMS: Learning from Every Call

Implement after-action reviews to turn every EMS call into a learning opportunity. Discover a structured approach to continuous improvement.

January 23, 2027

The Power of After-Action Reviews

An after-action review (AAR) is a structured debriefing that examines what happened, why it happened, and how to improve. Borrowed from military practice, AARs have become a cornerstone of EMS quality improvement. When conducted regularly, they create a culture of learning where every call, regardless of outcome, contributes to individual and team development.

When to Conduct an AAR

While a formal AAR is most valuable after significant calls (cardiac arrests, pediatric emergencies, MCIs, patient complaints), brief informal debriefings should happen after routine calls as well. A 2-minute conversation after a medical transport can reveal communication gaps or assessment shortcuts that are worth correcting before they become habits.

Schedule formal AARs within 24 to 48 hours of a significant event, while details are still fresh. Include all personnel who were involved in the call, and consider including dispatch, first responders, and receiving facility staff for complex events.

AAR Structure

Follow this four-question framework:

  • What was planned? What was the intended response based on protocols, training, and the information available?
  • What actually happened? Walk through the call chronologically, with each participant sharing their perspective and actions.
  • Why was there a difference? Identify the factors that caused the actual response to differ from the plan. Was it a knowledge gap, a communication failure, an equipment issue, or a system limitation?
  • What will we do differently? Develop specific, actionable improvement items. Assign responsibility and deadlines for each item.

Creating a Safe Debrief Environment

An AAR is not a blame session. The facilitator must establish ground rules that focus on systems and behaviors, not individuals. Use "we" language rather than "you" language. Acknowledge what went well before discussing areas for improvement. Encourage honest participation by ensuring that AAR findings are used for improvement, not punishment.

If your agency does not have a formal AAR process, start one informally with your crew. After your next significant call, sit down over coffee and walk through the four questions. Share what you learn with your supervisor and suggest implementing a more structured process. A culture of learning begins with individual initiative.

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