Flash cards for Clinical Methodologies
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State the reasons for a Quality Assessment Program | to ensure accuracy and validity of laboratory tests
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Describe the preanalytic, analytic, and post analytic phases of quality assurance and give examples of each phase. | Pre-analytical – activities that occur before the sample reaches the lab
–Specimen collection issues, transport, preservatives used
Analytical – activities that occur in the lab and pertain to the analysis of the sample
–Test processing, QC data useful
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Name the Accrediting organizations involved in quality assessment. | Joint Commission on Accreditation of Healthcare Organizations (JCAHO)
•College of American Pathologists
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List the errors quality control aims to prevent. | random error: instrument, sample, human
systematic: accuracy of method, instrument, reagent decompostion
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Define the following terms: quality assurance, quality control, accuracy, precision, calibration, control, standards, reference ranges, outliers, systematic error, random error, sensitivity and specificity | Quality assurance: attempts to control analytical errors
Quality control: refers to accuracy of method
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Discuss statistical measures used in precision and accuracy. |
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Relate standard Deviations with corresponding percentage values in Gaussian curve and the use of these statistical equations in QC |
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Calculate the following: mean, mode, median, coefficient of variation |
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Recognize equation for standard deviation |
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Analyze data to determine analytical error prevention |
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Assess systematic and random errors and give examples of each. |
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Discuss the use of controls in laboratory procedures |
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Detect a result that is out of control |
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Be able to interpret mean, standard deviations, and violations on Levy-Jennings chart |
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Determine if there is a shift or trend given laboratory data |
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Evaluate laboratory data using multi-rules |
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Discuss basic concepts of Lean Sigma Six process improvement |
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