PCo2 levels in DKA

[soxman]

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So when a pt comes in with DKA I know that the pH is low due to the acidic ketone bodies and HCO3- gets low in an attempt to buffer and I can understand how initially the PCO2 is low. BUT for most questions I see, the stem usually refers to stating that the patient is lethargic ...so in that case wont the PCO2 be high due to hypoventilation?

 

[Convalaria]

lethargic is the state of consciousness. patient still can hyperventilate, namely DKA coma is characterized by Kussmaul breathing pattern: rapid and deep

 

[soxman]

lethargic is the state of consciousness. patient still can hyperventilate, namely DKA coma is characterized by Kussmaul breathing pattern: rapid and deep

makes sense! thanks!