What criteria do you use to determine if a patient with chronic asymptomatic hyponatremia is safe to proceed with surgery?  

A patient with chronic hyponatremia is generally considered safe to proceed with surgery when the serum sodium level is ≥ 125 mmol/L (preferably ≥ 130 mmol/L) if the level is stable and truly chronic and the patient is clinically asymptomatic. In addition, the surgical team should be advised on...