报告经希氏束电图证实的9例完全性希氏束内阻滞。全部患者均可见分裂的希氏束电位。并对该心律失常的希氏束电图和体表心电图表现,以及注射阿托品后的心室率改变等进行讨论。 The report confirmed by His bundle electrogram of 9 cases of complete His bundle internal block. All patients were seen split His bundle potential. And the arrhythmia His bundle and electrocardiogram, as well as the change of ventricular rate after injection of atropine are discussed.