CHSP - Certified Healthcare Safety Professional Incident Investigation and Analysis 2

Question 1

A root cause analysis (RCA) team is mapping the sequence of events that led to a wrong-site surgery. Which tool is MOST appropriate for visually displaying the timeline of contributing factors and their causal relationships?

Accepted Answer

Event and causal factor (ECF) chart

Answer

An Event and Causal Factor (ECF) chart, also called an ECF timeline, is specifically designed to display the chronological sequence of events alongside contributing factors and causal relationships. It is widely used in healthcare RCA to reconstruct what happened and why, step by step. A fishbone diagram identifies categories of causes but does not show temporal sequence; FMEA is prospective; Pareto charts prioritize frequency.

Question 2

During an incident investigation debrief, a team member states, 'The nurse should have just paid more attention.' A skilled facilitator should redirect this statement by applying which core principle of a systems-based investigation?

Accepted Answer

Most errors result from predictable human failure within flawed systems, not malicious intent

Answer

A systems-based approach, foundational to frameworks like James Reason's and to High Reliability Organizations, holds that errors most often arise because flawed systems set up well-intentioned people to fail. Blaming individuals ('just pay more attention') prevents the team from identifying and correcting the system vulnerabilities that allowed the error to occur and will likely recur.

Question 3

After completing a root cause analysis, which action is the HIGHEST priority to ensure the investigation produces lasting improvement?

Accepted Answer

Assigning corrective action items with specific owners and due dates, then tracking to completion

Answer

An RCA without an accountable action plan is merely a documentation exercise. Best practice requires that each corrective action have a named owner, a realistic deadline, and a tracking mechanism to verify completion and effectiveness. Re-education alone is generally considered a weak corrective action. Reporting timelines are important but secondary to implementing sustainable fixes.

Question 4

A safety officer is selecting an investigation methodology for a high-hazard process before an adverse event occurs. Which methodology is specifically designed for this PROACTIVE purpose?

Accepted Answer

Failure Mode and Effects Analysis (FMEA)

Answer

Failure Mode and Effects Analysis (FMEA) is a prospective (proactive) tool used to systematically identify potential failure points in a process before harm occurs, assess their likelihood and severity, and implement preventive controls. RCA, ACA, and SIR are all reactive methodologies triggered after an event or near miss has already taken place.

Question 5

When collecting witness statements during a patient safety incident investigation, the investigator should document them as close to the event as possible primarily because:

Accepted Answer

Human memory is reconstructive and details fade or become contaminated rapidly after an event

Answer

Memory is reconstructive, not a recording. Research on eyewitness accounts shows that accurate recall degrades quickly after an event and can be altered by subsequent conversations, media exposure, or leading questions. Gathering statements promptly preserves the most accurate account of what occurred, which is critical for identifying contributing factors.

CHSP - Certified Healthcare Safety Professional Practice Test

CHSP - Certified Healthcare Safety Professional Practice Test

CHSP - Certified Healthcare Safety Professional Incident Investigation and Analysis 2