
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 - 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).
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.
7 Signs You Need a Pacemaker - Cleveland Clinic Health Essentials
Jul 11, 2025 · You may need a pacemaker device if you feel constantly out of breath, become easily fatigued, or experience heart palpitations and frequent fainting spells.
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 heart.
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 heartbeats …
Pacemaker Surgery: Preparation, Recovery, Long-Term Care
Oct 9, 2025 · A pacemaker is used for long-term correction of a too-slow heartbeat (arrhythmia) or temporarily, such as after open-heart surgery. Implanting a pacemaker is considered a minimally …
Pacemaker Insertion - Johns Hopkins Medicine
What is a pacemaker? A pacemaker is composed of three parts: a pulse generator, one or more leads, and an electrode on each lead. A pacemaker signals the heart to beat when the heartbeat is too slow …
Pacemaker - What You Need to Know - Drugs.com
Nov 10, 2025 · A pacemaker is a small device placed in your chest to help control your heartbeat. You may need a pacemaker if your heartbeat is too slow, too fast, or irregular.
Pacemakers - What Are Pacemakers? | NHLBI, NIH
Mar 24, 2022 · A pacemaker is a small d evice used to treat some arrhythmias. During an arrhythmia, the heart can beat too fast, too slow, or with an irregular rhythm. Pacemakers send electrical pulses …