Currently, approximately 2 million people worldwide have permanent pacemakers. The number of devices implanted is expected to increase each year. A pacemaker consists three pails: the generator. the electrode, and the lead. This purpose of this article is to describe the current technological development of each component and to discuss the required patient teaching and home care, Such information will help nurses understand new developments in pacemakers, improve patient and family education and nursing care, reduce patient and family anxiety, and shorten their adaptation period after pacemaker implantation.