Hongling Cheng, Xiaoliang Jia

(School of Biomedical Engineering, Central South University for Nationalities)

Abstract：

Potassium is the main cation in human cells, and serum potassium plays an important role in maintaining the acid-base balance of body fluids and stabilizing osmotic pressure. Intracellular potassium is the main ion that stabilizes nerve, muscle, and cellular electrical activity. Potassium metabolism disorder can cause abnormal cardiac activity, severe arrhythmia, and even life-threatening conditions.

Key Words：

potassium; potassium metabolism; arrhythmia; electrophysiology; electrocardiogram