Access Medicine's Case of the Week: Acid Base Disturbance Case #11

From: AccessMedicine

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Dec 11, 2018
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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:

ABG

Basic Metabolic Panel

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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Julie Grishaw, ACNP

Senior Editor, McGraw-Hill Education

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