A 28-year-old female presents with altered mental status, polyuria, and polydipsia. Lab results show glucose 550 mg/dL, pH 7.15, bicarbonate 8 mEq/L, and potassium 3.2 mEq/L. After initiating intravenous fluids and insulin, which of the following should be the next management step regarding electrolytes?
✓ Correct Answer: Option B
Despite total body potassium depletion, initial serum potassium in DKA can be normal or high due to extracellular shift. However, insulin therapy drives potassium intracellularly, causing a rapid drop. If serum potassium is <5.3 mEq/L, potassium replacement should be initiated concurrently with insulin to prevent life-threatening hypokalemia.