A Can’t Miss ED Diagnosis: Euglycemic DKA

A middle-aged man with a history of diabetes and hypertension presents with nausea, vomiting, and shortness of breath. His laboratory testing is remarkable for a leukocytosis, ketonemia, and an anion gap acidosis (pH of 7.13). The EM resident caring for this patient is surprised to find that the blood glucose is 121 mg/dL.

Which home medication is likely responsible for this presentation?

  1. Metformin
  2. Glipizide
  3. Liraglutide
  4. Canagliflozin

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