A 36‑year‑old man with DKA: glucose 520 mg/dL, pH 7.12, anion gap 24, K⁺ 4.6 mmol/L. After initial 1-2 L isotonic fluid bolus, what insulin regimen is...

Question

A 36‑year‑old man with DKA: glucose 520 mg/dL, pH 7.12, anion gap 24, K⁺ 4.6 mmol/L. After initial 1-2 L isotonic fluid bolus, what insulin regimen is recommended?

Accepted Answer

Regular insulin infusion 0.1 units/kg/hour (no bolus), titrated per protocol

Answer

Regular insulin 10 units IV bolus then 10 units/hour infusion regardless of weight

Answer

NPH insulin 0.5 units/kg subcutaneously every 6 hours

Answer

No insulin until anion gap closes

Answer

Basal‑bolus subcutaneous insulin immediately

us-usmle-step-2 MCQ (SBA): DKA

A 36‑year‑old man with DKA: glucose 520 mg/dL, pH 7.12, anion gap 24, K⁺ 4.6 mmol/L. After initial 1-2 L isotonic fluid bolus, what insulin regimen is recommended?