Objective:To evaluate the feasibility, availability, and safety of right ventricular mid-septal pacing(RVSP) technique by using active fixation lead in patients with bradyarrhythmia.Method: Forty patients diagnosed with bradyarrhythmia were selected in our hospital,from September 2014 to September 2015.Patients were randomly assigned to RVSP group and RVAP group,20 cases in each group.The ventricular electrode implantation time,intra-operative radiation time,and the width of QRS wave of ventricular pacing E...