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 …

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

Oct 29, 2024 · Learn how a pacemaker works and why you might need one. A pacemaker replaces the heart's defective natural pacemaker functions.

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 rhythms and prevent …

What is a pacemaker? A pacemaker is a small device implanted in the chest to help control your heartbeat. It's used when the heart beats too quickly, too slowly or irregularly due to a heart attack, …

Sep 23, 2024 · What Is a Pacemaker? A pacemaker is a small device that sends electrical impulses to the heart muscle to keep a suitable heart rate and rhythm.

Jun 5, 2025 · What Does a Pacemaker Do? A pacemaker monitors the heart’s electrical signals and sends small, painless electrical impulses to make the heart contract when needed, maintaining a …

Aug 12, 2025 · Pacemakers and implantable defibrillators are devices that monitor and help control abnormal heart rhythms. Learn who needs one, and how they work.

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

Jul 9, 2025 · Pacemakers help regulate the heart's rhythm by sending electrical impulses to the heart. Learn who needs them and what life looks like living with a pacemaker. This article is based on...