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ABG's

QuestionAnswer
What is the normal pH range? 7.35-7.45
What is the normal range for PaCO2? 35-45mmHg
What is the normal range for HCO3? 22-26mEq/L
What is the normal range for base excess? -2-2.0mEq/L
What type of issue(s) are we looking for when we look at the HCO3 and base excess value(s)? Metabolic issues
What type of issue(s) are we looking for when we look at the PaCO2 value(s)? Ventilation status
What does the PaO2 measure? Oxygenation status
What are the hypoxemia ranges? >60mmHg (mild hypoxemia) 40-59mmHg (moderate hypoxemia) <40mmHg (severe hypoxemia)
What range of PaO2 is considered normal on room air? 80-100mmHg
What ABG value would we look for in patients that currently smoke or have smoked heavily in the past? %MetHb
What ABG value would we look for in patients that have carbon monoxide poisoning or have been in a fire? %COHb
Below what pH value is considered to be acidic? <7.35
Above what pH value is considered to be alkalotic? >7.45
Three anatomical sites for an ABG: 1)radial artery 2)femoral artery 3)dorsalis pedis
In a given ABG, if the pH and CO2 are going in DIFFERENT directions, what is this ABG considered to be? Respiratory
In a given ABG, if the pH and HCO3 are going in the SAME direction, what is this ABG considered to be? Metabolic
When interpreting a given ABG, what values must be abnormal for it to be considered "partial"? All values must be abnormal. (pH, CO2, and HCO3)
When interpreting a given ABG, what values must be normal for it to be considered "uncompensated"? Either the CO2 or HCO3
When interpreting a given ABG, what value must be normal for it to be considered "compensated"? The pH must be normal
Created by: lesareams