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Difficulty: MediumRoot Cause Analysis and Error Investigation

A 28-year-old woman is evaluated in the emergency department for acute right lower quadrant abdominal pain. The emergency physician suspects appendicitis, orders laboratory tests including a urine pregnancy test, and verbally signs out the patient to the oncoming night shift physician at the end of the shift. During the transition of care, the departing physician forgets to mention that the pregnancy test result is still pending. Assuming the patient is not pregnant, the night physician immediately orders an abdominopelvic computed tomography (CT) scan. The scan confirms appendicitis, but the urine pregnancy test subsequently returns positive, indicating a 7-week intrauterine pregnancy. The patient is highly distressed about the fetal radiation exposure. The hospital's patient safety committee is tasked with addressing this incident. Which of the following is the most appropriate next step in evaluating and preventing future occurrences of this type of event?

  1. Assemble a multidisciplinary team to perform a root cause analysis to identify underlying system vulnerabilitiesAnswer
  2. B
    Initiate a failure mode and effects analysis to proactively evaluate risks in the current radiology order entry system
  3. C
    Mandate disciplinary retraining for the departing physician for omitting critical pending results during the handoff
  4. D
    Conclude the investigation by identifying the incomplete sign-out as the primary failure and implementing a standardized checklist
  5. E
    Attribute the error to the night physician's anchoring bias and assign a mandatory cognitive de-biasing educational module

Answer

Assemble a multidisciplinary team to perform a root cause analysis to identify underlying system vulnerabilities.
The correct action is to initiate a Root Cause Analysis (RCA) utilizing a multidisciplinary team. RCA is the standard retrospective methodology used to investigate adverse events and sentinel events after they occur. The goal of an RCA is to identify both the active errors (the human errors occurring at the sharp end, such as the missed handoff) and the latent errors (system vulnerabilities at the blunt end, such as an electronic health record that permits ordering radiation for a woman of childbearing age without a confirmed negative pregnancy test). Effective patient safety interventions emphasize a non-punitive culture that seeks to design stronger systems rather than blaming individuals.

Step-by-Step Solution

1
Identify the nature of the patient safety incident.
An adverse event has occurred involving unnecessary fetal radiation exposure due to a communication breakdown and system failure.
Determining the timing and severity of the event dictates the appropriate quality improvement methodology.
2
Select the appropriate quality improvement tool.
Root Cause Analysis (RCA) is selected over Failure Mode and Effects Analysis (FMEA).
RCA is utilized retrospectively for events that have already occurred, whereas FMEA is a prospective tool used before an event happens.
3
Determine the optimal approach for conducting the investigation.
A multidisciplinary team must evaluate the systemic factors leading to the error rather than punishing individuals.
A core tenet of modern patient safety is focusing on latent system flaws (e.g., electronic health record vulnerabilities) rather than active human errors to implement strong, sustainable forcing functions.

Key Concept

Root Cause Analysis (RCA) is a retrospective, multidisciplinary, systems-level investigation used to identify the underlying latent factors contributing to an adverse event and to implement systemic safeguards.
Estimated Time:1m 15s
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Topics

Root Cause Analysis and Error Investigation

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