Surgery·Surgery
Cardiac pacemaker insertion
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A cardiac pacemaker is a small, battery-powered device that is placed under the skin of the chest to help control abnormal heart rhythms. It sends electrical signals to your heart to make it beat at a steady, appropriate rate. The procedure to put in a pacemaker is called pacemaker insertion or implantation.
Key facts
Yes, pacemaker insertion is a common procedure. Thousands of people receive pacemakers every year worldwide.
It affects both men and women, most often in older adulthood. However, younger people and even children may need a pacemaker if they have certain heart conditions.
Diagnosis usually starts with a physical exam and a review of your symptoms. The main test is an electrocardiogram (ECG or EKG), which records the electrical activity of your heart. Sometimes a portable monitor is used to record your heart over 24 hours or longer.
Treatment for a slow heart rhythm that causes symptoms is usually a pacemaker. The device is implanted during a small surgical procedure. For some people, treating an underlying cause (like changing a medication) may be tried first, but a pacemaker is often the most effective long-term solution.
There are no specific medications that fix a slow heart rhythm caused by electrical problems. A pacemaker is the standard medical treatment. The procedure is done under local anesthesia (you are awake but the area is numb). The doctor makes a small cut under your collarbone, guides one or more thin wires (leads) into a vein and to your heart, then connects them to the pacemaker device. The device is placed in a small pocket under the skin.
Pacemaker insertion is a surgery itself. It is recommended when your slow heart rhythm causes symptoms or poses a risk of serious complications. The surgery is considered minor and has a high success rate.
After you recover from the procedure (usually a few weeks), you can return to most normal activities. You will need to avoid heavy lifting and vigorous arm movements on the side of the pacemaker for about 4 to 6 weeks. You may feel the device under your skin, but most people get used to it.
A heart-healthy diet (low in salt, rich in fruits, vegetables, and whole grains) is encouraged. Regular exercise is safe and beneficial, but talk to your doctor before starting a new program. Avoid contact sports that could hit your chest near the pacemaker.
The conditions that lead to needing a pacemaker are often not preventable, especially age-related changes. However, you can reduce your risk of heart disease by eating healthily, staying active, not smoking, and managing conditions like high blood pressure and diabetes.
For most people, a pacemaker greatly improves symptoms and quality of life. The procedure is safe and effective. With regular check-ups and battery replacements (every 5 to 10 years), you can expect to lead a full, active life. The future for pacemaker technology continues to improve, offering even smaller devices and longer battery life.
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Always verify with your doctor
Health guidelines vary by country and region. The information in this article is based on international clinical guidelines but may not reflect the specific guidelines, medications, or practices in your country. Always discuss your health concerns with your own doctor or healthcare provider, and refer to your local national health guidelines where available.
Important notice This information is for educational purposes only. It does not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider about your specific situation. If you are experiencing a medical emergency, call your local emergency services immediately.
This article is educational and is prepared with reference to recognized health information and clinical guidance sources where available. Specific source links may vary by topic.
Last updated: July 9, 2026
Educational note: This information is for education only and is not a diagnosis.
Use it to support, not replace, advice from a licensed clinician.
If symptoms are severe, worsening, or urgent, call your local emergency number or seek emergency care.
Your doctor will talk with you about your symptoms and health history. The tests are painless and usually done in a clinic or hospital. If a slow heart rhythm is found, your doctor will explain why a pacemaker might help and go over the procedure with you.
It is normal to feel anxious or worried about having a device inside you. Some people feel a change in body image. These feelings usually improve with time. If you feel very down or overwhelmed, talk to your doctor. Support from family, friends, or a counselor can help.