Blood Gases Flashcards
(44 cards)
pH normal levels
7.35-7.45
PaCO2 normal levels
35-45
HCO3 normal levels
22-26
SaO2 is the
Saturation of hemoglobin with O2
PaO2 is the
Partial pressure of O2 dissolved in arterial plasma
Respiratory acidosis is when the pH is less than ___ and the PaCO2 is greater than ___
Ph less than 7.35
Paco2 greater than 45
Metabolic acidosis is when the pH is less than ___ and the HCO3 is less than ___
7.35
22
Respiratory alkalosis is when the pH is greater than ____ and the PACO2 is less than ___
7.45
35
Metabolic acidosis is when the pH is greater than ___ and the HCO3 is greater than ____
7.45
26
PaO2 normal values
80-100
In general, respiratory acidosis levels will be:
pH will be acidic (less than 7.35)
PaCO2 will be acidic (greater than 45)
In general, metabolic acidosis levels will be:
pH will be acidic (less than 7.35)
HCO3 will be acidic (less than 22)
In general, metabolic alkalosis levels will be:
pH will be alkaline (greater than 7.45)
HCO3 will be alkaline (greater than 26)
In general, respiratory alkalosis levels will be:
pH will be alkaline (greater than 7.45)
PaCO2 will be alkaline (less than 35)
Less than 7.35 pH is
acid
Greater than 7.45 pH is
alkaline
Less than 35 PaCO2 is
alkaline
Greater than 45 PaCO2 is
acid
Less than 22 HCO3 is
acid
Greater than 26 HCO3 is
alkaline
If respiratory acidosis is due to opioids, tx with
Narcan
If respiratory acidosis is due to benzos, tx with
Romazicon
Patients with respiratory acidosis may look
ashen
Common cause of respiratory alkalosis is
hyperventilation