Question

A 45-year-old with DKA (pH 7.12, glucose 520 mg/dL, positive ketones) is resuscitated with isotonic fluids; K+ is 4.2 mEq/L. Next step in insulin therapy?

Accepted Answer

Start IV insulin infusion 0.1 units/kg/h

Answer

Give insulin bolus then hold infusion until glucose <250 mg/dL

Answer

Hold insulin until anion gap closes

Answer

Start subcutaneous sliding-scale insulin only

Answer

Start dextrose now and stop insulin

Practice question

A 45-year-old with DKA (pH 7.12, glucose 520 mg/dL, positive ketones) is resuscitated with isotonic fluids; K+ is 4.2 mEq/L. Next step in insulin therapy?