INS and Hyperkalemia: These factors included postoperative or total parenteral nutrition (TPN)-related prandial and/or correction subcutaneous insulin lispro coverage for hyperglycemia (n = 10), concomitant β-adrenergic blocker therapy (n = 10), concomitant insulin and β-adrenergic blocker therapy (n = 2), ongoing patient evaluation for chronic post-bariatric surgical hypoglycemia (n = 2), nil per os (NPO) nutritional status (n = 1), and acute treatment of hyperkalemia with intravenous regular insulin and 50% dextrose (n = 1).