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Difficulty: MediumRoot Cause Analysis and Error Investigation

An outpatient endoscopy center experiences a sentinel event when a patient develops severe hypoxemia and cardiac arrest during a routine colonoscopy. The patient requires cardiopulmonary resuscitation and emergent transfer to a hospital intensive care unit. The center's medical director immediately initiates a formal investigation into the incident. Arrange the following steps of the root cause analysis (RCA) process in the correct chronological order.

  1. 1Quarantine the involved infusion pumps, medication vials, and medical records.
  2. 2Form an investigative committee comprised of diverse healthcare professionals.
  3. 3Construct a detailed, chronological timeline of the incident through staff interviews.
  4. 4Identify latent system vulnerabilities and active errors using a cause-and-effect diagram.
  5. 5Develop and execute a corrective action plan emphasizing strong, system-level interventions.

Answer

The correct chronological sequence is: 1) Quarantine evidence, 2) Form an investigative committee, 3) Construct a timeline, 4) Identify vulnerabilities, and 5) Execute a corrective action plan.
A formal Root Cause Analysis (RCA) must proceed in a structured, sequential manner to be effective. Immediately following an event, all physical evidence and records must be secured to ensure data integrity. Next, leadership assembles a multidisciplinary team that includes individuals with diverse expertise. This team's first task is to gather data through interviews and record reviews to construct an objective, chronological timeline of what occurred. Once the timeline is established, the team utilizes analytical tools (such as a cause-and-effect diagram or the '5 Whys') to identify underlying latent system vulnerabilities. Finally, the team develops and implements a corrective action plan utilizing strong system-level interventions to prevent recurrence.

Step-by-Step Solution

1
Secure evidence
Quarantine equipment and records
To preserve physical evidence and documentation immediately following the event before memories fade or items are moved.
2
Form committee
Assemble an investigative team
To ensure the investigation is guided by diverse perspectives and subject matter experts.
3
Gather data
Construct an event timeline
To establish an objective, factual sequence of what occurred based on interviews and chart reviews.
4
Analyze causes
Identify latent vulnerabilities
To move beyond active errors and determine the underlying system flaws that allowed the event to happen.
5
Implement solutions
Execute a corrective action plan
To introduce system-level changes, such as forcing functions, that will prevent recurrence.

Key Concept

Root Cause Analysis (RCA) is a structured, retrospective process that follows a specific chronological sequence to identify and mitigate underlying system vulnerabilities following a sentinel event.
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Topics

Root Cause Analysis and Error Investigation

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