In a root cause analysis of a medication error, what is the first step?

• A. Assign blame to the nurse involved.
• B. Define the problem clearly and gather data to understand what happened, when, where, and why.
• C. Implement a policy change immediately.
• D. Limit the investigation to a single person.

Answer: (B)

Defining the problem clearly and gathering data about what happened, when, where, and why is the first step in a root cause analysis. This approach creates a precise, factual description of the medication error and builds a solid evidence base for the investigation. By collecting the timeline, the processes in place, medications involved, and human factors, you map out how the event unfolded without jumping to conclusions. It keeps the focus on system factors rather than assigning blame to individuals, which is essential for uncovering underlying causes and preventing recurrence. Once the problem is well defined with data, you can identify contributing factors and root causes and then design targeted corrective actions. Jumping too quickly to blame, rushing to change policies, or limiting the inquiry to a single person undermines the goal of understanding the full sequence of events and identifying systemic improvements.