Westgard rule that is considered as a warning rule
12s
Identify the type of error: Pipetting error
Random error
Identify the type of error: 10x
Systematic error
Identify the error
Random error
Identify the type of error: Dirty optics
Random error
Identify the type of error: Calibration problem
Systematic Error
Number of QC Levels used in the clinical chemistry laboratory:
2
Identify the error
Random Error
Identify the type of error: R4s
Random error
Identify the type of error: 13s
Random error
Type of quality control used to daily monitor the performance of the laboratory equipment:
Intralaboratory Quality Control
Identify the type of error: 22s
Systematic error
It is the most commonly used QC shart
Shewhart - Youden Plot (Levey-Jennings Chart)
This plot will give the earliest indication of systematic errors (trend) and can be used with 13s rule
Cusum Plot
It is used to compare results obtained on a high and low control serum from different laboratories
Youden Plot
Identify the rule violated:
R4s
Identify the rule violated:
22s
Identify the rule violated:
None
Identify the rule violated:
12s
Identify the rule violated:
10x
Identify the rule violated:
Shift
Identify the error:
Systematic Error
Refers to the set of rules used to decide if a control run is acceptable or not
Westgard rule
Identify the error:
Systematic Error
Identify the type of error: Contaminated solutions
Systematic Error