Answer :
Final answer:
Calibration of a blood gas analyzer involves comparing the analyzer's measurements with known standards, using calibration gases and quality control samples. It is performed regularly to maintain the device's accuracy.
Explanation:
Calibration of a blood gas analyzer is critical to ensure the accuracy and reliability of the results it produces. It involves comparing the measurements of the machine with known standards to verify its correctness. This is required regularly to maintain the device's performance over time.
The first step is to use calibration gases, which are mixtures of gases that have precise, known concentrations. These calibration gases are passed through the analyzer, and the analyzer's response is documented. The analyzer's measurements should match the concentrations of the calibration gases. If they do not, the system is adjusted, or calibrated, until they do match.
Additionally, quality control samples containing known amounts of various blood gases can also be used to verify the accuracy of the blood gas analyzer. If expected and measured values significantly differ, it indicates the need for re-calibration.
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