A Quality System Approach To POCT - Whitehat
A Quality System Approach To POCT - Whitehat
A Quality System Approach To POCT - Whitehat
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Fishbone Diagram of PotentialFailure Modes1Samples2Operator4Laboratory EnvironmentSample Integrity- Lipemia- Hemolysis- Interfering subtances- Clotting- Incorrect tubeSample Presentation- Bubbles- Inadequate volumeIdentify Potential HazardsOperator Capacity- Training- CompetencyReagent Degradation- Shipping- Storage- Used past expiration- Preparation<strong>Quality</strong> Control Material Degradation- Shipping- Storage- Used past expiration- PreparationOperator staffing- Short staffing- Correct staffing3ReagentsAtmospheric Environment- Dust- Temperature- HumidityCalibrator Degradation- Shipping- Storage- Used past expiration- PreparationUtility Environment- Electrical- Water quality- Pressure5Measuring<strong>System</strong>Instrument Failure- Software failure- Optics drift- Electronic instabilityIncorrect Test ResultInadequate Instrument Maintenance- Dirty optics- Contamination- ScratchesCLSI. Laboratory <strong>Quality</strong> Control Based on Risk Management;Approved Guideline. EP23-A. Wayne, PA: Clinical andLaboratory Standards Institute; 2011.