It is characterized by sinoatrial node dysfunction and often includes atrioventricular node disease and bundle branch block.
它的特征是窦房结功能障碍并常伴有房室结疾病和束支传导阻滞。
2
The left bundle branch of 9 goats were completely blocked with RFCA. The various degree of atrioventricular conduction disturbance and the right bundle branch block didnt occur.