Although a lot of discoveries were very important in the development of the medical field, the elements of sagacity, serendipity, and happenstance played a big role in most of these discoveries. These discoveries had completely changed and improved the level of health services around the world. One of these discoveries is the discovery of the practical implanted pacemaker by the American engineer Wilson Greatbatch . The implanted pacemaker is a medical device that uses electrical impulses delivered to the heart muscles to regulate the rate of the heart. As a matter of fact, this invention saved the life of millions of people in the world; as cardiovascular diseases are the first cause of death in the world.
Wilson Greatbatch was an electrical
