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Zorluk: OrtaClassification of Medical Errors and Adverse Events

An 8-year-old girl is admitted to the pediatric surgical floor following an appendectomy. Postoperatively, she experiences severe pain, and the physician orders intravenous morphine. The hospital pharmacy recently reorganized the automated dispensing cabinets on the floor to save space, inadvertently placing vials of a neuromuscular blocking agent (rocuronium) in the identical compartment as the morphine vials. The vials have identical cap colors and similar label designs. A nurse quickly retrieves a vial from the compartment, assumes it is morphine, and administers it to the patient. The patient rapidly develops respiratory paralysis requiring emergency intubation and transfer to the pediatric intensive care unit, where she eventually recovers.

Which of the following patient safety terms best describes the stocking of visually similar, high-alert medications in the same compartment?

  1. Latent errorCevap
  2. B
    Active error
  3. C
    Preventable adverse event
  4. D
    Sentinel event
  5. E
    Near miss

Cevap

The stocking of the medications in the same compartment is best classified as a latent error.
The stocking of visually similar, high-alert medications in the same compartment is a latent error. Latent errors are systemic flaws, vulnerabilities, or design defects at the 'blunt end' of healthcare that create conditions allowing active errors to occur. In this case, the poor layout of the dispensing cabinet removed a critical safety barrier, ultimately facilitating the nurse's active medication administration error.

Adım Adım Çözüm

1
Analyze the specific component of the scenario being queried.
The question specifically asks to classify the pharmacy's action of 'stocking of visually similar, high-alert medications in the same compartment'.
Patient safety scenarios often contain multiple distinct events (the system setup, the human mistake, and the outcome) that must be classified individually.
2
Determine the role of the stocking process in the overall error sequence.
The poor layout of the dispensing cabinet represents a flaw in the system's design and organization (the 'blunt end') that created a hazardous condition.
System-level vulnerabilities that lay dormant until they facilitate an error by frontline staff are classified as latent errors.
3
Differentiate this system flaw from the human actions and patient outcomes described in the vignette.
The nurse administering the wrong medication is the active error, while the resulting respiratory paralysis is a preventable adverse event and a sentinel event.
Accurately distinguishing the underlying cause from the execution failure ensures proper root cause analysis.

Anahtar Kavram

Latent errors are flaws in system design, organization, or maintenance (the 'blunt end' of healthcare) that create conditions allowing active errors by frontline staff to occur.
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Classification of Medical Errors and Adverse Events

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