With the foundation and increase the frequency of atrial pacing was reduced atrioventricular node conduction is based on the frequency filtering effect of other physiological phenomena to explain.
并对随着基础频率心房起搏的增加房室结呈递减性传导是频率滤过作用的基础等生理现象做出解释。
To evaluate the electrophysiological characteristics of antrograde and retrograde atrioventricular node conduction in the patients with or without coronary artery stenosis.