A finite element model for the distribution of temperature during radiofrequency ablation

摘要

Heating the pathological cardiac tissue by inducing RF power through catheter electrode into heart chamber can efficiently therapy the cardiac re-entry tachycardia. We know that within radiofrequency range cardiac tissue will present pure electrical resistance and high-frequency (>10kHz) current won't cause cardiac depolarization, so this method is safe and easily to control. These characteristics leads RF catheter ablation to have a wide use in clinical practice. More than 60,000 cases have been cured in China in past 5 years.