Radiation Safety Flashcards
4 types of errors:
- Diagnostic
- Treatment
- Preventative
- Other
Errors are almost never isolated human errors, they have ___.
multiple factors
2 error types:
- active
2. latent
3 active errors:
- mistakes
- negligence
- incompetence
point of contact where error is made, involves frontline personnel – RTTs (treatment), dosimetrist (dose) plan, MD (area) dx, physicist (calibration)
active error
failures in design upstream in the process which allow inevitable active errors to cause harm (“setup to fail”)
latent error
failures of planned behavior or lapse in concentration; attentional failure
Occur during competing sensory or emotional distractions, fatigue, or stress (type of active error)
Slips
failures of memory
Often occur during routine tasks (type of active error)
lapses
Incorrect choices, lack of experience, insufficient training, negligence are all ____ mistakes (intentional or unintentional?)
unintentional
Violations are ___ mistakes (intentional or unintentional?)
intentional
2 types of mistakes
1, rule-based errors
2. knowledge-based errors
Misapply a good rule
Misread situation, apply wrong solution
Apply a bad rule
Rule has an undetected flaw are all ___ errors (a type of mistake)
rule-based errors
Didn’t notice bolus was not placed is an example of ___
skill-based slips and lapse
“I know this patient; I don’t need to read the prescription today.” is an example of a ___
rule-based error
Work arounds and lack of attention to the consequences are ___
rule-based errors