Healthcare root cause analysis with a matrix diagram

You can look into various potential reasons with the second tool used at this level of the root cause analysis to see which ones contribute most to the issue being examined.
The tool's advantage is its capacity to represent several connections visually. Below is a template of the matrix chart:

Source:Quality Resources /Matrix DiagramWHAT IS A MATRIX DIAGRAM?

It is now time to create the action plan for improvement after performing the Root Cause Analysis.
Using the results from the RCA, we can use the Solution Selection Matrix as a tool to create our action plan.
To increase support for the implementation plan, it should be done in a team with participation from the appropriate stakeholders,
managers, and decision-makers. The following is what an RCA matrix chart will have:

The issue we're attempting to resolve.
The problem's underlying causes are shown as a horizontal tree structure.
Each root cause in the tree diagram has a group of viable solutions at its base.
The success or viability of the suggested solutions can then be assessed by identifying several attributes.
The matrix diagram's primary objective is to examine the causal connections between potential causes and issues.

When conducting a root cause analysis, a matrix diagram can be used in a variety of ways:

Mapping the overall effects of several potential sources of the issue;
Deciding which of several causes is the most obvious, typically the root cause;

The Procedure For Using Matrix Diagrams

Choose the features of the problem and potential causes to be examined for different types and levels of linkages.
Construct a suitable-sized, empty matrix.
Arrange the parameters on the diagram.
Use the symbols to denote effects.
Determine the overall impact for each column in the diagram and display the total.
Root causes are most likely potential causes with a high total.

Matrix Diagram Use

A ranking method used to evaluate potential projects, issues, alternatives, or solutions based on specific criteria or quality dimensions is known as a selection matrix (also known as a priority matrix).
Selecting the best solution for implementation requires analysis.
For instance, does the group favor a project with a high return on investment (ROI) or one that can be put into place fast,
depending on what the firm wants to accomplish? Time impact, economic effect, and other considerations could be the basis for the evaluation criterion.

An Illustration of How To Use A Matrix Diagram

Bjørn Andersen and Tom Fagerhaug, the author of RCA simplified tools, cited the following practical Matrix diagram application (https://journals.lww.com/jhqonline/Citation/2002/05000/Root_Cause_Analysis__Simplified_Tools_and.12.aspx) thus;

In a big city, a taxi driver had seen that vying for customers on the streets,
at airports, and in other places led to lengthy wait times during which potential business was lost. As a result,
it has become perfect for obtaining pre-order clients like hotels, hospitals, and private companies. This approach has proven effective,
but recently the business has been inundated with client complaints about pick-up and delivery delays, dirty cars, rude drivers,
and other less severe problems. Success depended on their being dependable, providing excellent service, and having their clients' trust;
hence this issue needed to be resolved.

Unpredictable traffic appeared to be the primary source of the delays, according to the administration,
the dispatching center, and the drivers. A tiny improvement team utilized a matrix diagram to determine the importance of each of the numerous other possibilities that had also been suggested.

When the bigger picture was adequately considered,
four more elements most likely contributed to the issues. Improvement was achieved once these variables were addressed using measures.

Checklist For Matrix Diagrams

Make sure not to leave out any potential reasons from the analysis while choosing the problem's features and potential causes.
Make a blank matrix diagram with room for the chosen number of problem traits and potential causes.
On the matrix diagram, place these variables.
Place the appropriate impact symbol on the matrix after evaluating each potential cause and its effect on each aspect of the problem.
When all impact combinations have been assessed, add the relevant impact factors for each impact symbol to determine the overall impact scores for each potential cause.
On the matrix, enter the total impact scores.
Choose the potential reasons with the highest overall impact scores because they are probably the leading causes of the issue.

Reference

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Agile methodologies

Healthcare root cause analysis with a matrix diagram

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