Transcription of ABG Quick Interpretation
1 ABG Quick InterpretationParameterAcidosisNormalAlk alosisReflectspH< > Status of BodypCO2> 4535-45< 35 Respiratory ComponentHCO3< 2222-26> 26 metabolic ComponentFacts: Body will not overcompensate when it comes to acid/base balance so: pH midpoint is If pH on report is < = original problem was acidosis in nature If pH on report is > = original problem was alkalosis in natureExamples: 1. pCO2 is High and pH is = compensated Respiratory Acidosis because in spite of high pCO2 which would indicate Acidosis the pH is within normal range indicating that the metabolic component has kicked in and caused pH to shift more towards the midpoint of and therefore compensated for the respiratory pH is and the HCO3 is 33 it is a metabolic Alkalosis with Respiratory Compensation bringing the pH back to WNL but not past midpoint. Created by P. Keally 10/18/2007pHpCO2 HCO3 Interpretation * WNL Respiratory Alkalosis WNL metabolic Alkalosis WNL Respiratory Acidosis WNL metabolic Acidosis< Compensated Resp.
2 Acidosis> Compensated Resp. Alkalosis< Compensated Meta. Acidosis> Compensated Meta. Alkalosis*Where compensation is not involved you can look at the arrows:Arrows are in same direction = metabolic conditionsArrows in opposite direction = respiratory conditions Problems with readings of pulse oximetersClinical Situation ResultCarboxyhemoglobinFalsely High SaturationBilirubinFalsely High SaturationMelanotic SkinVariable, Reduced Signal Poor Peripheral PerfusionLow Signal, Unreliable ResultsWebsite to use for online analysis of Blood Gas Values.