ERRORS THAT CAN HAPPEN WITH THE SAMPLING FOR ARTERIAL BLOOD GAS ANALYSIS AND POSSIBLE CONSEQUENCES

❎AIR BUBBLES IN SYRINGE: may wrongly increase the Pao2 , Sao2 and pH

❎DILUTION OF THE SAMPLE WITH SALINE FLUSH OR HEPARIN: may wrongly increase Pao2 , while it decrease Paco2 , glucose, lactate , potassium and hemoglobin 

❎VENEPUNCURE DURING SAMLE COLLECTION: may wrongly decrease Po2 and So2 while it increases Pco2

❎ CLOTTING OF THE SAMPLE: may wrongly increase the potassium concentration 

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