Case:
A 66-year-old patient with IDDM, COPD, coronary artery disease, hypertension, and gout presents with hypotension and malaise from his nursing home. He is febrile, and he has a urinalysis positive for nitrates, concerning for urinary tract infection as the source of his infection.
| Laboratory Data: |
||||
| ABG |
Basic Metabolic Panel |
|||
| pH |
7.10 |
Na |
139 mEq/L |
|
| PaCO2 |
50 mm Hg |
K |
6.6 mEq/L |
|
| PaO2 |
60 mm Hg |
Cl |
108 mEq/L |
|
| HCO3 |
13 mEq/L |
CO2 |
14 mEq/L |
|
| BUN |
5 mg/dL |
|||
| Cr |
1.1 mg/dL |
|||
Question 1 of 4:
What is/are the primary acid-base disturbance(s) occurring in this case?
A - Metabolic acidosis only
B - Respiratory acidosis only
C - Metabolic acidosis and a respiratory acidosis
D - Metabolic alkalosis and a respiratory alkalosis
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