The principles of intravenous potassium supplementation include the following: 1. The concentration of potassium ions should not be too high when replenishing potassium ions, too high a concentration of potassium ions may lead to cardiac arrest due to the body’s inability to adapt. 2. 3. The amount of potassium ion should not be too much when replenishing intravenous potassium ion, too much potassium ion replenishment will lead to hyperkalemia. 4.