ISSN 1301 - 0883 / E-ISSN 1309 - 3886
 
 








  Compatibility of Na and K Values Measured by Biochemistry Analyser And Blood Gas Analyser In Different Clinical Situations [Eastern J Med]
Eastern J Med. 2018; 23(2): 79-83 | DOI: 10.5505/ejm.2018.85856  

Compatibility of Na and K Values Measured by Biochemistry Analyser And Blood Gas Analyser In Different Clinical Situations

Ali Haydar Akça, Muhammed İkbal Şaşmaz
Department Of Emergency Medicine, Yüzüncü Yıl University, Van, Turkey

INTRODUCTION: Severe disturbances in sodium and potassium are frequently encountered in emergency departments and these are among the most important treatable medical emergencies. We aimed to evaluate the correlation of serum sodium and potassium levels measured with blood gas analyzer and biochemistry laboratory autoanalyser.
METHODS: We conducted a retrospective study between April 1st and 30th, in an emergency department of an university hospital. We screened patients whom had both venous blood gas analysis and serum electrolytes in biochemistry panel. Then we grouped electrolyte levels of patients to subgroups to compare separately. Pearson correlation coefficients were calculated for determination linear relationships between the variables.
RESULTS: Study group consisted of 156 patients. The mean level of sodium in serum samples was 138,7 mmol/l compared to 143,2 mmol/l in venous blood gas. Mean variation between two samples was -4,46 mmol/l (95% CI -5,25, -3,67), ranged from -19 mmol/l to 4 mmol/l. The mean level of potassium in serum samples was 4,34 mmol/l compared to 3,74 mmol/l in venous blood gas. Mean variation between two samples was 0,6 mmol/l (95% CI 0,50, 0,69) ranged from -0,50 mmol/l to 2,6 mmol/l. The correlation coefficient was found r=0,852 for Na, r=0,774 for K and p was <0.001 for both values.
DISCUSSION AND CONCLUSION: We found positive correlation in sodium and potassium levels in various strength in different clinical situations. As our opinion, blood gas analyses should help and guide physicians especially in emergent conditions.

Keywords: blood gas analysis, sodium, potassium


Ali Haydar Akça, Muhammed İkbal Şaşmaz. Compatibility of Na and K Values Measured by Biochemistry Analyser And Blood Gas Analyser In Different Clinical Situations. Eastern J Med. 2018; 23(2): 79-83

Corresponding Author: Ali Haydar Akça, Türkiye


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