A girl aged 8 years has been admitted for dialysis. She has serum K of 7.5 meq/1, which is the fastest way to reduce the hyperkalemia?: (A) Kayexalate enema, (B) Infusion of insulin + glucose, (C) IV calcium gluconate, (D) IV NaHCO3
Answer is B. Answer is B (Infusion of insulin and glucose): 'Intravenous insulin is the fastest way to lower serum potassium levels' Reduce serum levels by shifting Remove excess potassium from the body K+ from extracellular to intracellular fluid