Philippians 4:13: “I can do all things through Christ who strengthens me.”

The Westgard rules are used for laboratory quality control using “runs” consisting of measurements of multiple samples (typically 2-4 samples), called multi-rule.

The rules were originally developed by James Westgard. The rules are applied to the Levey-Jennings Chart instead of the traditional Shewhart individuals control chart, which uses sli…[Read more]

Quality control (QC) refers to the set of procedures and protocols designed to monitor and maintain the precision and accuracy of laboratory equipment and testing processes. It involves daily checks, calibration, and verification to confirm that instruments are operating correctly and producing reliable results. Quality control charts, such as…[Read more]