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Difficulty: MediumPatient Safety and Quality Improvement

A 64-year-old woman is treated for a pulmonary embolism. During her hospitalization, she receives an incorrect dose of intravenous heparin due to a weight-conversion error (pounds instead of kilograms). The error results in a supratherapeutic partial thromboplastin time and minor mucosal bleeding, which resolves after the infusion is temporarily paused. The hospital's quality and safety committee initiates a formal root cause analysis (RCA) to investigate the incident and prevent future occurrences.

Arrange the following steps of the root cause analysis process in the correct chronological sequence.

  1. 1Form a multidisciplinary team and gather data through medical record review and staff interviews
  2. 2Construct a detailed timeline of events from the initial heparin prescription to the discovery of the error
  3. 3Utilize a cause-and-effect (Ishikawa) diagram to identify the underlying systemic vulnerabilities
  4. 4Design and implement system-level interventions, such as an automated weight-based calculator in the electronic health record
  5. 5Establish a monitoring plan to track heparin dosing accuracy and evaluate the intervention's effectiveness

Answer

The correct chronological sequence for conducting a root cause analysis is: forming a team to gather data, constructing a timeline of events, identifying root causes using analytical tools, implementing system-level interventions, and monitoring the effectiveness of those interventions.
A Root Cause Analysis (RCA) is a structured, retrospective process used to investigate patient safety incidents. It follows a strict chronological sequence: (1) Formation of a team and data collection to establish facts; (2) Creation of a timeline to map the sequence of events; (3) Identification of contributing factors and root causes using tools like Ishikawa diagrams; (4) Development and implementation of an action plan with systemic interventions; and (5) Continuous measurement and monitoring to ensure the interventions are effective and sustainable.

Step-by-Step Solution

1
Identify the initial phase of the RCA process.
The process must begin with forming a multidisciplinary team and gathering data (Item 1).
Without objective data and appropriate stakeholders, no accurate analysis can be performed.
2
Determine the organizational phase.
The team must construct a detailed timeline of events (Item 2).
Information must be structured chronologically to understand how and when the error occurred.
3
Identify the analytical phase.
The team utilizes a cause-and-effect diagram (Item 3).
Once the timeline is established, the team must dig deeper to find the latent systemic vulnerabilities that allowed the sequence to happen.
4
Determine the action phase.
The team designs and implements system-level interventions (Item 4).
Solutions can only be safely and effectively designed after the root causes are thoroughly understood.
5
Identify the evaluation phase.
The team establishes a monitoring plan (Item 5).
The final step ensures that the implemented changes actually improve safety and do not introduce new, unforeseen errors.

Key Concept

Root Cause Analysis (RCA) Procedural Sequence
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Topics

Patient Safety and Quality Improvement

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