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Method Evaluation

Flash cards for Clinical Methodologies

QuestionAnswer
State the reasons for a Quality Assessment Program to ensure accuracy and validity of laboratory tests
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
Name the Accrediting organizations involved in quality assessment. Joint Commission on Accreditation of Healthcare Organizations (JCAHO) •College of American Pathologists
List the errors quality control aims to prevent. random error: instrument, sample, human systematic: accuracy of method, instrument, reagent decompostion
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
Discuss statistical measures used in precision and accuracy.
Relate standard Deviations with corresponding percentage values in Gaussian curve and the use of these statistical equations in QC
Calculate the following: mean, mode, median, coefficient of variation
Recognize equation for standard deviation
Analyze data to determine analytical error prevention
Assess systematic and random errors and give examples of each.
Discuss the use of controls in laboratory procedures
Detect a result that is out of control
Be able to interpret mean, standard deviations, and violations on Levy-Jennings chart
Determine if there is a shift or trend given laboratory data
Evaluate laboratory data using multi-rules
Discuss basic concepts of Lean Sigma Six process improvement
Created by: magriffin87
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