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Zorluk: ZorPatient Safety and Quality Improvement

Match each clinical scenario to the most accurate patient safety or error classification term.

  • A hospital purchasing department switches medication suppliers, resulting in neuromuscular blocker vials that are identical in size and cap color to the hospital's standard insulin vials.Latent error
  • A physician prescribes a standard therapeutic dose of enoxaparin. A clinical pharmacist notes the patient's severe renal impairment and correctly reduces the dose prior to dispensing.Near miss
  • A physician writes a prescription for 'methotrexate 2.5 mg daily' instead of 'weekly' for rheumatoid arthritis, resulting in the patient developing severe myelosuppression.Active error
  • A patient admitted for routine management of a chronic obstructive pulmonary disease exacerbation dies by suicide in the medical-surgical unit bathroom.Sentinel event

Cevap

The look-alike vials represent a Latent error; the intercepted enoxaparin dose is a Near miss; the improper methotrexate prescription is an Active error; and the inpatient suicide is a Sentinel event.
Each clinical scenario corresponds to a distinct categorization within the standard patient safety error taxonomy. Systemic vulnerabilities created away from the point of care are latent errors; mistakes intercepted prior to patient contact are near misses; frontline operator mistakes that reach the patient are active errors; and severe, unexpected harms such as inpatient suicide or wrong-site surgery are sentinel events.

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1
Analyze the pharmacy vial swap scenario.
Identified as a system-level flaw introduced at the administrative level.
Flaws in system design or purchasing that predispose frontline staff to errors are defined as latent errors (blunt-end errors).
2
Evaluate the enoxaparin dosing scenario.
Identified as an intercepted error.
When a mistake is made but caught before it reaches the patient and causes harm, it is classified as a near miss (close call).
3
Assess the methotrexate prescription scenario.
Identified as a frontline failure causing direct harm.
Immediate errors made by the operator (the prescribing physician) at the point of care are classified as active errors (sharp-end errors).
4
Consider the inpatient suicide scenario.
Identified as a catastrophic, unexpected outcome.
The Joint Commission defines sentinel events as unexpected occurrences involving death or serious physical or psychological injury (e.g., inpatient suicide, wrong-site surgery) that require immediate investigation.

Anahtar Kavram

Error Classification and Patient Safety Definitions
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