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4. CAUSAL ANALYSIS
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Various methodologies
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Completing the information
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Interviews
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Consulting documents/logs
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Use of objectivity
Methodologies
Advantages
Disadvantages
Root Cause Analysis (RCA)
5 Whys? meth ds
= systematic questioning to
identify the main causes
• Schematic description
• Easy to implement
• Partial analysis due to the focus
on identifying links between the
event's causes
• No chronology
Root Cause Analysis (RCA)
Ishikawa diagram
= focus on five to seven aspects:
materials, method, manpower,
environment, etc
No representation of logical
relationships
• No chronology
Root Cause Analysis (RCA)
HFACTS
= Method based on systematic
questioning to identify the main
causes (Includes supervision
failures)
• No representation of logical
relationships
• No chronology
ALARM
= Method designed for a hospital's
clinical activities -steered towards
finding latent errors in organisation
and governance
• The actions to be taken are more
complicated (addressing latent
errors)
Causal/fault Tree Analysis
= Schematic description and
reconstruction of the chronology
of the facts
Factors not ranked
ORION®
= Systemic method of analysis and
recreates the context surrounding
the event (=ALARM + fault tree)
Initial analysis require support