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CID-BASE BALANCE PROBLEMS 

 

Directions:  Analyze each component of each set of arterial blood gas (ABG) results, and determine if the findings indicate balance or imbalance.  If an imbalance exists, determine if it is acidotic or alkalotic in nature.  Then determine if the imbalance represents a respiratory problem or a metabolic problem.  Once you have decided what the ABG values indicate, and if an imbalance exists, mention at least one cause that could be the underlying reason for the imbalance (don’t use the same reason repeatedly).  

 

 

1.    pH         7.34 

       PaCO2     38 

       HCO3      20 

 

     Analysis: 

     Cause: 

 

 

2.   pH         7.29 

      PaCO2     47 

      HCO3      28 

 

     Analysis: 

     Cause: 

 

3.   pH         7.54 

      PaCO2     49 

      HCO3      34 

 

     Analysis: 

     Cause: 

 

 

4.   pH         7.32 

      PaCO2     32 

      HCO3      20 

 

     Analysis: 

     Cause: 

 

 

5.   pH         7.21 

      PaCO2     36 

      HCO3      20 

 

     Analysis: 

     Cause: 

 

 

 

6.   pH         7.49 

      PaCO2     29 

      HCO3      24 

 

     Analysis: 

     Cause: 

 

7.   pH         7.43 

      PaCO2     40 

      HCO3      23 

 

     Analysis: 

     Cause: 

 

 

 

 

8.   pH         7.25 

      PaCO2     61 

      HCO3      23 

 

     Analysis: 

     Cause: 

 

 

 

9.   pH         7.63 

      PaCO2     31 

      HCO3      19 

 

     Analysis: 

     Cause: 

 

 

 

 

10. pH         7.15 

      PaCO2     30 

      HCO3      10 

 

     Analysis: 

     Cause: 

SCIENCE
HEALTH SCIENCE
NURSING
MED/SURG NURSING 245