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Blood gas explanation and exercises

Blood gas explanation and exercises - BLOOD GASES This is...

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BLOOD GASES: This is one way of interpreting ABG’s. Use what ever way is easiest for you. Memorize the chart and write it down when you are taking the test. ACID NORMAL ALKALINE pH <7.35 7.35-7.45 >7.45 PaCO2 >45 35-45 <35 ( you have to remember this because it is opposite Of the ph) HCO3 <22 22-26 >26 Example: Plug in values: ph = 7.26, HCO3 = 17 and PaCO2 = 42 ACID NORMAL ALKALINE ph 7.26 PaCO2 42 HCO3 17 Interpretation: Acute Metabolic Acidosis (Your ph is acidic and the HCO3 (bicarb) is acidic and HCO3 is the metabolic indicator) There is no compensation. ACID NORMAL ALKALINE ACID NORMAL ALKALINE ph 7.49 ph 7.26 PaCO2 30 PaCo2 52 HCO3 23 HCO3 34 Interpretation : Acute respiratory alkalosis Interpretation : Partially compensated respiratory (ph & PaCO2, the respiratory indicator are acidosis ( the PaCO2 and the HCO3 are opposite both alkaline & HCO3 is normal) as the body is trying to compensate but the ph is still acidic) Partially compensated : the PaCO2 and the HCO3 are opposite of each other, (neither are normal and the ph is not normal Fully compensated : The ph is normal and the PaCO2 and HCO3 are opposite of each other and are not normal.
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The way to tell if the underlying ABG was acidosis or alkalosis is to look at the ph value.
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