This paper applies root cause analysis (RCA), change theory, and failure mode and effects analysis (FMEA) to a case study involving the death of a patient, referred to as Mr. B, in an emergency department setting. Using the RCA framework endorsed by the U.S. Department of Health and Human Services, the paper identifies systemic errors including inadequate nursing staffing, misdiagnosis, and inappropriate pain management. Kurt Lewin's change theory is then used to organize driving and restraining forces for improvement. A seven-step FMEA protocol is outlined to prioritize and address these hazards. The paper concludes by emphasizing the essential role nurses play in centering patient care over institutional pressures.
Root cause analysis (RCA) is a systematic approach designed to simplify complex problems and guide investigators — like a trail of clues — toward objective truths, or at least well-supported conclusions. The U.S. Department of Health and Human Services endorsed this method as a practical approach through its Agency for Healthcare Research and Quality. The agency acknowledged that "root cause analysis (RCA) is a structured method used to analyze serious adverse events. Initially developed to analyze industrial accidents, RCA is now widely deployed as an error analysis tool in health care. A central tenet of RCA is to identify underlying problems that increase the likelihood of errors while avoiding the trap of focusing on mistakes by individuals."
This essay addresses the case study of Mr. B's untimely death and applies an RCA to the facts of the case. It also uses change theory to develop an improvement plan aimed at decreasing the likelihood of similar events occurring in the future. Additionally, a failure mode and effects analysis (FMEA) is used to project the likelihood of failure in response to proposed system changes. Finally, the role of nurses and the critical importance of their caring function to any patient's odds of survival is examined throughout.
The value of RCA lies in its simplicity — the root cause can be identified by applying one straightforward tool: asking "Why?" The following questions highlight the main errors and hazards present in this situation:
Why did Mr. B choose this hospital? Why was Mr. B directed to the ED? Why was Mr. B injured? Why was Mr. B still on painkilling medication? Why was Mr. B administered increasing amounts of pain medication? Why was the patient in so much pain? Why did the staff seek to numb his pain so readily? Why is pain relief a top priority? Why is Dr. T working in the ED? Why isn't there more staff working in the ED? Why was Mr. B's hip manipulated? Why was the patient considered brain dead? Why did the family choose to remove life support?
It appeared that many errors could have, and likely did, occur. The case study suggests that there were too few nurses on staff and that those present were not experienced enough to handle such high-stress cases in the emergency department. Mr. B's apparent misdiagnosis also stands out as a key problem; a more thorough diagnostic approach should have been pursued once pain medication failed to produce the expected effect.
Nursing change theory is rooted in the ideas of Kurt Lewin, who proposed that three major forces drive transformation: driving forces, restraining forces, and equilibrium. As described in the literature, "driving forces facilitate change because they push the patient in a desired direction. They cause a shift in the equilibrium towards change. Restraining forces are those forces that counter the driving forces. They hinder change because they push the patient in the opposite direction. They cause a shift in the equilibrium that opposes change. Equilibrium is a state of being where driving forces equal restraining forces, and no change occurs. It can be raised or lowered by changes that occur between the driving and restraining forces" (Burnes, 2004).
Applying change theory to this case requires grouping relevant factors into Lewin's three categories. The driving forces would include patient safety, patient health, organizational success, individual professional success, malpractice law, and basic human kindness. The restraining forces would include insufficient effort, learning barriers, financial constraints, teaching difficulties, complexity of the system, poor human resources management, drug abuse, complacency, and dysfunctional behaviors that can exist within the medical profession. Achieving equilibrium requires applying these forces constructively — channeling their energy into positive and productive outcomes for both patients and the institution.
"Seven-step FMEA protocol for ED safety"
"Nurses as patient advocates amid profit pressures"
Nursing is about caring. The essence of healing is transferring that care into the goal of the organization, which should be about healing. By applying RCA to identify errors, Lewin's change theory to organize forces for improvement, and FMEA to systematically address and monitor those improvements, healthcare teams can meaningfully reduce the risk of preventable patient harm. The role of the nurse remains central to this mission, and ensuring adequate, experienced nursing staff in high-acuity settings like emergency departments is a foundational requirement for patient safety.
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