,CONCLUSION:  ,Successful single-chamber pacemaker implantation with left subclavian approach and venogram to assess the subclavian access site and the right atrial or right ventricle with asystole that resolved spontaneously during the procedure. 
,CONCLUSION : , Successful single - chamber pacemaker implantation with left subclavian approach and venogram to assess the subclavian access site and the right atrial or right ventricle with asystole that resolved spontaneously during the procedure .