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Related Experiment Videos

Electronic quality control, the total testing process, and the total quality control system.

J O Westgard1

  • 1Department of Pathology and Laboratory Medicine, University of Wisconsin Medical School, 600 Highland Avenue, Madison, WI 53792, USA. jo.westgard@hosp.wisc.edu

Clinica Chimica Acta; International Journal of Clinical Chemistry
|May 23, 2001
PubMed
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Electronic quality control (QC) offers an alternative to traditional matrix controls in point-of-care settings. While essential, electronic QC alone is insufficient for comprehensive quality assurance in medical testing.

Area of Science:

  • Clinical Chemistry
  • Medical Diagnostics
  • Quality Control Systems

Background:

  • Traditional statistical quality control (QC) using matrix controls presents implementation challenges in point-of-care settings.
  • Electronic QC (eQC) has emerged as a viable alternative, approved by regulatory bodies.
  • eQC typically substitutes an electrical signal or artificial sample for a patient specimen to test sensor function.

Purpose of the Study:

  • To assess the utility of electronic QC in point-of-care testing.
  • To identify the specific steps within the total testing process monitored by eQC.
  • To illustrate the application of different QC procedures using blood gas measurements as an example.

Main Methods:

  • Evaluation of electronic QC procedures and their application in quality control.

Related Experiment Videos

  • Analysis of the steps in the total testing process monitored by various QC methods.
  • Case study using blood gas measurements to demonstrate QC monitoring capabilities.

    • Main Results:

    • Electronic QC monitors specific steps within the total testing process.
    • The effectiveness of eQC depends on the steps it monitors.
    • A combination of QC methods is generally required for comprehensive monitoring.

    Conclusions:

    • Electronic QC is a valuable component of a total quality control system.
    • Electronic QC alone is not sufficient for ensuring the quality of all testing steps.
    • A comprehensive QC strategy integrates electronic QC, matrix controls, and patient specimens.