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ModerateEndocrinologyDiabetic ketoacidosisus-abemus-abimus-usmle-step-2us-usmle-step-3

A 28-year-old presents with DKA: glucose 520 mg/dL, pH 7.12, HCO₃⁻ 10 mEq/L, anion gap 24, K⁺ 3.0 mEq/L. What is the best immediate next step before starting insulin?

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