Lisa Smith (LS) is brought to the emergency department [ER] for management of accidental acute poisoning. She is nonresponsive and admitted to the critical care unit [CCU] to be closely monitored. LS...

Lisa Smith (LS) is brought to the emergency department [ER] for management of accidental acute poisoning. She is nonresponsive and admitted to the critical care unit [CCU] to be closely monitored. LS has no urinary output, and her laboratory values are serum K+ = 6.7 mEq/L; serum Na+ = 177 mEq/L; arterial blood gases [ABGs]: pH = 7.13, PaCO2 = 35 mmHg, HCO3- = 16 mEq/L, PaO2 = 89 mmHg, and oxygen saturation = 94%.