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Diabetic ketoacidosis — ABEM Board MCQ

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HardRenal/Metabolic emergenciesDiabetic ketoacidosisABEM Board

A 24-year-old woman with type 1 diabetes presents as triage level 1 with abdominal pain and Kussmaul respirations. Glucose is 540 mg/dL, pH 7.05, bicarbonate 6 mEq/L, potassium 5.6 mEq/L, and anion gap 30. Which of the following is the most likely diagnosis?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: BDiabetic ketoacidosis

Hyperglycemia with high anion gap metabolic acidosis, ketones, and Kussmaul respirations is diagnostic of DKA.

Reference: ADA hyperglycemic crises guidance; ABEM EM Model