Objectives Serious adverse effects. including arrhythmia and cardiac arrest. result from rapid intravenous high concentration of potassium chloride (KCl). We aimed to eliminate prescription of undiluted KCl and encourage dilution of KCl to 400 mEq/L and 40 mEq/L in the intensive care units (ICUs) and general and outpatient departments. https://www.soiebiologique.com/