Case
A 55-year-old male is transferred to the ICU from the PACU following surgery for a benign skin tumor. He required general anesthesia due to comorbid medical conditions. The procedure required only 20 minutes, and the patient returned to the PACU, where he was noted to develop hypertension, tachypnea, and muscle rigidity. He was transferred emergently to the ICU for further management. Blood pressure is 190/110 mm Hg, and heart rate is 145 bpm. Temperature 105.5°F.
| Laboratory Data: |
||||
| ABG |
Basic Metabolic Panel |
|||
| pH |
6.92 |
Na |
139 mEq/L |
|
| PaCO2 |
50 mm Hg |
K |
6.5 mEq/L |
|
| PaO2 |
100 mm Hg |
Cl |
99 mEq/L |
|
| HCO3 |
10 mEq/L |
CO2 |
10 mEq/L |
|
| BUN |
44 mg/dL |
|||
| Cr |
1.9 mg/dL |
|||
| Glucose |
67 mg/dL |
|||
| Albumin |
4 g/dL |
|||
| EtOH |
0 mg/dL |
|||
Question 1 of 6
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
E - Metabolic alkalosis
F - Respiratory alkalosis
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