What should be on the differential diagnosis for metabolic acidosis?

What should be on the differential diagnosis for metabolic acidosis?

Sodium (Na+) 156 mEq/L
Potassium (K+) 4.0 mEq/L
Chloride (Cl–) 115 mEq/L
Arterial blood gases (ABGs) pH- 7.30; Pco2-40; Po2-70; HCO3-20
 
Normal values
Sodium (Na+) 136-146 mEq/L
Potassium (K+) 3.5-5.1 mEq/L
Chloride (Cl–) 98-106 mEq/L
Arterial blood gases (ABGs) pH- 7.35-7.45

Pco2- 35-45 mmHg

Po2-80-100 mmHg

HCO3–22-28 mEq/L

 

 

 

 

What should be on the differential diagnosis for metabolic acidosis? Based on her ABG, do you think her acidosis is compensated or uncompensated? Why or why not?

 

 

 

Answers