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Acid Base Balance
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What is an Arterial Blood Gas (ABG)
To evaluate acid base balance
What maintains acid-base balance
Chemical
Respiratory
Renal
Chemical and protein Buffers
1st line of defense
Binds or release H+ as needed
Responds quickly to change in pH
Respiratory buffers
2nd line of defense
Controls H+ ans CO2
Renal buffers
Kidneys are the 3rd line of defense
Slower to respond
Kidney control HCO3 in the urine
Hyperventilation
decrease in H+
Hypoventilation
Increase in H+
Full compensation
normal pH
Partial compensation
pH is not normalized
Anhydrase formula
H
2
0 + CO
2
=H
2
CO
3
=H
+
+HCO
3
Metabolic acidosis
Metaolic alkalosis
Respiratory acidosis
Respiratory alkalosis
Author
blkbunny20
ID
51731
Card Set
Acid Base Balance
Description
medical surgical
Updated
2010-11-26T12:29:48Z
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