摘要: The indications for therapy by cardiac pacing and the various possibilities of pacemaker implantation have been dealt with in previous papers. If, now, a patient has to be treated pacemaker, it is, course, necessary consider question as what type stimulation will optimal his particular case. Since 1963 we implanted pacemakers total 650 patients replaced some 400 times. I should now like discuss number points arising out our observations these patients.