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  1. Pacemaker - Mayo Clinic

    Jun 4, 2025 · 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 skin …

  2. Pacemaker: Types, Procedure, Precautions, and More - Healthline

    Nov 25, 2021 · What is a pacemaker? A pacemaker is an electric medical device that’s generally about the size of a matchbox. A surgeon implants it under your skin to help manage irregular …

  3. Pacemaker - American Heart Association

    Oct 29, 2024 · 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 (leads) and …

  4. Pacemaker (for the Heart): Surgery, Types & What It Is - Cleveland …

    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 rhythms and prevent …

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

    Sep 23, 2024 · A pacemaker is a small device that helps regulate heart rate and rhythm by sending electrical impulses to the heart muscle. Learn how it works.

  6. 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 …

  7. How Does a Pacemaker Work? - Verywell Health

    Sep 25, 2024 · Learn what pacemakers are and how they work, as well as the signs that your pacemaker needs to be replaced.

  8. Pacemaker Insertion - Johns Hopkins Medicine

    A pacemaker insertion is the implantation of a small electronic device that is usually placed in the chest (just below the collarbone) to help regulate slow electrical problems with the heart. A …

  9. Cardiac Pacemaker > Fact Sheets - Yale Medicine

    A pacemaker is a small, battery-powered device used to correct a slower-than-normal heart rate (a condition known as bradycardia). It is surgically implanted in a person’s chest or abdomen, …

  10. Cardiac Pacemakers - Cardiovascular Disorders - MSD Manual …

    Pacemakers sense electrical events and respond when necessary by delivering electrical stimuli to the heart (1). Permanent pacemaker leads are placed via thoracotomy or transvenously, but …