Acid Base Balance / Blood Gas Testing - Lesson 2
Chemistry Course Overview

Quality Control sample analysis

Three levels of quality control samples are analyzed over the 24 hour period of instrument use. The normal control is usually analyzed during the first 8 hours of use. The samples are sealed in glass vials, maintained at a constant temperature, mixed thoroughly prior to use and opened carefully using a safety device. Since only one control is analyzed and evaluated at a time 95% confidence limits must be used.



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