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Difficulty: HardRoot Cause Analysis and Error Investigation

An otherwise healthy 42-year-old man presents to the emergency department with acute right lower quadrant abdominal pain. Suspecting appendicitis, the physician orders an abdominal CT scan with contrast. The preliminary read provided by the on-call radiology resident overnight notes a normal appendix but identifies a nonobstructing ureteral calculus. The patient is treated with analgesia and discharged home with instructions to follow up with urology. The next morning, the attending radiologist reviews the images and agrees with the preliminary findings, but also discovers a suspicious mass in the tail of the pancreas. The attending issues a final report with an addendum highlighting the mass. The electronic health record (EHR) updates the report silently, and no direct communication is made to the emergency department staff. Six months later, the patient presents with jaundice and significant weight loss, and is ultimately diagnosed with metastatic pancreatic adenocarcinoma. The hospital's patient safety division launches a formal investigation into the delayed diagnosis. Which of the following is the most appropriate recommendation to emerge from this investigation?

  1. Implement an automated electronic health record workflow that generates a mandatory acknowledgment alert to the ordering physician and a safety coordinator when a final report adds a critical finding.Answer
  2. B
    Transition the investigation to a Failure Mode and Effects Analysis to prospectively map all potential vulnerabilities in the radiology dictation software before making changes.
  3. C
    Enforce a policy requiring emergency physicians to verbally communicate all pending final radiology reports to the incoming physician during standardized shift transitions.
  4. D
    Mandate cognitive bias retraining for the radiology residents to prevent them from missing secondary findings when their attention is focused on the primary clinical indication.
  5. E
    Institute a mandatory hospital-wide protocol to perform targeted pancreatic cancer screening for all adults presenting to the emergency department with undifferentiated abdominal pain.

Answer

Implement an automated electronic health record workflow that generates a mandatory acknowledgment alert to the ordering physician and a safety coordinator when a final report adds a critical finding.
The correct answer identifies the most effective, systems-based intervention to prevent a recurrence of the adverse event. According to the hierarchy of effectiveness for patient safety interventions, strategies are ranked by their ability to reliably prevent errors. 'Strong' interventions include forcing functions, computerization, and automation because they do not rely on human memory, vigilance, or behavior modification. In this scenario, the latent error was a system design flaw that allowed the EHR to silently update a preliminary report with critical new information. Implementing an automated, hard-stop alert that requires mandatory acknowledgment directly mitigates this vulnerability by removing the human factor of needing to manually check for updates.

Step-by-Step Solution

1
Identify the adverse event and the active error.
The adverse event is a delayed cancer diagnosis. The active error was the failure to communicate a critical addended finding from a final radiology report to the clinical team.
Understanding what went wrong is the first step in any error investigation.
2
Identify the latent system error (root cause).
The EHR system allowed reports to be updated silently without generating an active notification to the provider responsible for the patient's care.
Effective safety investigations look beyond human error to find flaws in the system design.
3
Evaluate potential interventions using the hierarchy of reliability.
Weak interventions include rules, policies, and education. Strong interventions include forcing functions, automation, and computerization.
Recommendations must focus on the most effective, sustainable methods to prevent recurrence.
4
Select the strongest intervention.
An automated alert requiring mandatory acknowledgment is a strong, system-level forcing function that removes reliance on human memory.
This directly addresses the latent error of silent EHR updates.

Key Concept

Hierarchy of Effectiveness in Patient Safety Interventions
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Topics

Root Cause Analysis and Error Investigation

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