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Difficulty: MediumPatient Safety and Quality Improvement

A 55-year-old man is admitted to the orthopedic floor following an uncomplicated right total knee arthroplasty. On postoperative day 2, he experiences sudden-onset dyspnea and pleuritic chest pain. A computed tomography pulmonary angiogram confirms an acute pulmonary embolism. Subsequent review of the patient's medical record reveals that postoperative chemical venous thromboembolism (VTE) prophylaxis was never ordered, despite being standard hospital protocol for this procedure. The orthopedic resident placed the admission orders but was interrupted by a high-priority trauma page and failed to complete the VTE prophylaxis section of the electronic order set. The clinical pharmacist verified the incomplete order set, and the bedside nurse assumed that early ambulation was the only intended prophylactic measure. The hospital's quality improvement committee is tasked with reviewing this adverse event. Which of the following is the most appropriate initial action by the committee?

  1. A
    Issue formal reprimands to the verifying pharmacist and bedside nurse for failing to notice the omitted medication.
  2. B
    Mandate that an attending physician must verbally confirm all postoperative orders within two hours of surgery.
  3. Construct a detailed flow diagram of the admission workflow to identify vulnerabilities in the current process.Answer
  4. D
    Suspend the orthopedic resident's order-entry privileges until a mandatory safety training is completed.
  5. E
    Immediately institute a mandatory electronic health record hard-stop requiring VTE prophylaxis selection for all admitted patients.

Answer

Construct a detailed flow diagram of the admission workflow to identify vulnerabilities in the current process.
The correct answer describes the foundational step of a Root Cause Analysis (RCA). When a preventable adverse event occurs, the focus must be on systems-level vulnerabilities rather than individual errors. Constructing a flow diagram (or process map) of the event helps a multidisciplinary team identify exactly where the system broke down (e.g., the resident's interruption, the lack of an active alert for the pharmacist, the lack of communication to the nurse) without assigning blame. This understanding must be achieved before designing targeted interventions.

Step-by-Step Solution

1
Identify the nature of the adverse event.
A preventable medical error occurred due to an omitted medication order, leading to patient harm (pulmonary embolism).
Understanding the event type dictates the required administrative and safety response.
2
Determine the standard protocol for addressing serious preventable adverse events.
The standard protocol requires a systems-based investigation, specifically a Root Cause Analysis (RCA).
A 'just culture' prioritizes finding system vulnerabilities over punishing individuals for human error, such as forgetting a task due to an interruption.
3
Identify the initial step of a Root Cause Analysis.
The initial step involves gathering data and creating a process map or flow diagram to establish a chronological timeline of events.
You must completely understand how and why the system failed before designing and implementing targeted interventions.

Key Concept

Root Cause Analysis (RCA) Initiation
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Topics

Patient Safety and Quality Improvement

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