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  1. Pacemaker - Mayo Clinic

    Jun 4, 2025 · Overview A pacemaker is a small, battery-powered device that prevents the heart from beating too slowly. You need surgery to get a pacemaker. The device is placed under the …

  2. Pacemaker - Wikipedia

    A pacemaker, also known as an artificial cardiac pacemaker, is an implanted medical device that generates electrical pulses delivered by electrodes to one or more of the chambers of the …

  3. Pacemaker - American Heart Association

    Oct 29, 2024 · What is a pacemaker? A pacemaker is a small, battery-operated device that helps the heart beat in a regular rhythm. Traditional pacemakers have three parts: a generator, wires …

  4. Pacemaker Guide: Implantation, Surgery, and Living With It

    Sep 23, 2024 · With all types of pacemakers, your doctor will program your minimum heart rate. When your heart rate drops below that set rate, your pacemaker generates (fires) an electrical …

  5. Pacemaker (for the Heart): Surgery, Types & What It Is

    What are pacemakers? Pacemakers are devices that can be placed in your body, usually by surgery, to support the electrical system in your heart. They can stabilize abnormal heart …

  6. How Does a Pacemaker Work? - Verywell Health

    Oct 16, 2025 · Learn what pacemakers are and how they work, as well as the signs that your pacemaker needs to be replaced.

  7. Pacemakers: Surgery, Types and How They Work for Heart Health

    Jul 9, 2025 · Learn what pacemakers are, how they work, who needs them and what to expect after implantation.

  8. What Is a Pacemaker? 5 Things to Know About the Device - AARP

    May 21, 2024 · What does a pacemaker do? How serious is having a pacemaker put in? Read the 5 things you need to know about pacemakers for the heart.

  9. Heart pacemaker - Penn Medicine

    Leading cardiovascular experts at Penn Medicine provide close-to-home care for pacemaker implantation. Learn about candidacy and benefits of pacemakers.

  10. Cardiac Pacemaker | Fact Sheets | Yale Medicine

    A pacemaker can help to restore a person’s slow heart rate to a normal one, reducing or eliminating these symptoms. Up to 3 million Americans live with pacemakers, and most are …