Potassium is the main cation in cells, with a concentration of 150-160 mmol/L, while the main cation outside cells is sodium ions, and the serum potassium concentration is only 3.5-5.0 mmol/L. The body mainly relies on Na+-K+ ATPase on the cell membrane to maintain the difference in K+ and Na+ concentrations inside and outside cells. The acid-base balance in the body has an impact on potassium metabolism. For example, when acidosis occurs, H+ enters the cell. In order to maintain the potential difference inside and outside the cell, K+ is released outside the cell, causing or aggravating hyperkalemia. Metabolic disorders can also affect acid-base balance. The normal potassium ion concentration and concentration difference inside and outside cells are closely related to certain functions of cells, such as carbohydrate metabolism, glycogen storage and protein metabolism, excitability and conductivity of nerves and muscles including myocardium, etc.

The final metabolite is sodium bicarbonate, which can correct metabolic acidosis; when hyperkalemia is accompanied by acidosis, it can correct acidosis and allow potassium ions to enter cells from the blood and extracellular fluid.

Under normal circumstances, human blood also contains a small amount of lactic acid, which is mainly produced by glucose or glycogenolysis, and comes from muscles, skin, brain and cells. After lactic acid is produced, it may be converted into glycogen or pyruvate, or enter the tricarboxylic acid cycle and be decomposed into water and carbon dioxide. Therefore, the final metabolite of sodium lactate is sodium bicarbonate, which can correct metabolic acidosis. When hyperkalemia is accompanied by acidosis, sodium lactate can correct acidosis and allow potassium ions to enter cells from blood and extracellular fluid. The main organs that degrade lactic acid are liver and kidney. When lactic acid metabolism in the body is abnormal or impaired, the therapeutic effect is poor.

When hyperkalemia is accompanied by acidosis, sodium lactate can correct the acidosis and allow potassium ions to enter the cells from the blood and extracellular fluid.

Under normal circumstances, human blood also contains a small amount of lactic acid, which is mainly produced by glucose or glycogenolysis, and comes from muscles, skin, brain and cells. After lactic acid is produced, it may be converted into glycogen or pyruvate, or enter the tricarboxylic acid cycle and be decomposed into water and carbon dioxide. Therefore, the final metabolite of sodium lactate is sodium bicarbonate, which can correct metabolic acidosis. When hyperkalemia is accompanied by acidosis, sodium lactate can correct acidosis and allow potassium ions to enter cells from blood and extracellular fluid. The main organs that degrade lactic acid are liver and kidney. When lactic acid metabolism in the body is abnormal or impaired, the therapeutic effect is poor.