![]() However, the difference between the measured sodium was found to be significant. Conclusionīased on the above analysis, the authors found no significant difference between the potassium values measured by the blood gas machine and the auto-analyzer. The mean ABG potassium value was 3.74 (SD 1.92), and the mean AA potassium value was 3.896 (SD 1.848) (p = 0.2679). ResultsĪ total of 200 paired samples were analyzed. Statistical analyses were performed using paired Student’s t test. Analyses were done on the ABL555 blood gas analyzer and the Dade Dimension RxL Max, both located in the central laboratory. ![]() MethodsĪfter approval by the ethics committee, an observational cohort study was conducted in which 200 paired venous and arterial samples from patients admitted to the Medical Intensive Care Unit (ICU) of Apollo Hospital, Hyderabad, India, were analyzed for electrolytes on the ABG machine and the AA. ![]() ![]() The authors hypothesized that there is no difference between the results obtained after measurement of electrolytes by the blood gas and auto-analyzers. Electrolyte values are measured both by arterial blood gas (ABG) analyzers and central laboratory auto-analyzers (AA), but a significant time gap exists between the availability of both these results, with the ABG giving faster results than the AA. ![]()
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