Objective To study the active fixed helical electrode in the right ventricular outflow tract septal pacing in the application.Methods 68 patients required implantation of permanent cardiac pacemaker patients were then divided into two groups,the application of spiral electrode line right ventricular outflow tract septal pacing referred to as the active electrode group.The application of passive apical pacing electrodes were implanted referred to as the passive electrode group.Record two sets of numbers duri...