Access Medicine's Case of the Week: Acid Base Disturbance Case #11
From: AccessMedicine
Case
A 34-year-old 34-week gravid female presents with three days of nausea and emesis after eating food at a cookout with family. Two other family members also were sick with a stomach illness. She is afebrile, mildly tachycardic to the 110s, normotensive. Her urine dipstick is ketone positive.
| Laboratory Data: |
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| ABG |
Basic Metabolic Panel |
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| pH |
7.30 |
Na |
144 mEq/L |
|
| PaCo2 |
25 mm Hg |
K |
4.0 mEq/L |
|
| PaO2 |
100 mm Hg |
Cl |
98 mEq/L |
|
| HCO3 |
17 mEq/L |
CO2 |
17 mEq/L |
|
| BUN |
20 mg/dL |
|||
| Cr |
1.0 mg/dL |
|||
| Albumin |
4.0 g/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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