How Does a Pacemaker Work? - Verywell Health
Oct 16, 2025 · A pacemaker is a small device that is implanted under the skin in the chest to help the heart beat the way that it should. Pacemakers send electrical signals to the heart to make sure that …
Pacemaker - Mayo Clinic
Jun 4, 2025 · A pacemaker is a device used to control an irregular heart rhythm. A pacemaker has flexible wires called leads. The wires are placed in one or more chambers of the heart. They deliver …
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.
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 sensors (electrodes).
How Does a Pacemaker Work? Heart Rhythm Explained
Jun 3, 2025 · A pacemaker is a small, battery-powered device implanted under the skin to help regulate abnormal heart rhythms. It sends electrical impulses to stimulate the heart when it beats too slowly or …
Pacemaker (for the Heart): Surgery, Types & What It Is
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 problems that can …
What Is a Heart Pacemaker and How Does It Work?
Dec 7, 2025 · The cardiac pacemaker is a small, sophisticated medical device designed to manage and maintain a regular heart rhythm. When the heart’s natural electrical system malfunctions, this …
Pacemakers: Surgery, Types and How They Work for Heart Health
Jul 9, 2025 · A pacemaker helps the heart beat in rhythm by sending electrical impulses to the heart. Different types of pacemakers may deliver these electrical impulses in various ways.
What Is a Pacemaker? Types, Functions, and How It Works
Apr 1, 2025 · A pacemaker helps regulate heart rhythm by sending electrical impulses to stimulate the heart when it beats too slowly or irregularly. It ensures proper blood circulation and prevents …
Why Does a Person Need a Pacemaker? - ScienceInsights
Nov 27, 2025 · Why is a pacemaker necessary? We explore the heart’s natural rhythm failures, the medical need for intervention, and how this small device restores stability.