A patient with Guillain-Barre' has had arterial blood gases (ABGs) drawn. Which of the following ABG values indicates that the patient's status is deteriorating?
A) pH 7.37
B) PaCO2 60
C) HCO3 24
D) Oxygen saturation of 94%
Ans: B
Feedback: A PaCO2 of 60 places the patient with Guillain-Barre' in an acidotic state due to hypoventilation from respiratory muscle weakness. The pH, HCO3, and oxygen saturation are within normal levels.
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