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Welcome to our health education library. The information shared below is provided to you as an educational and informational source only and is not intended to replace a medical examination or consultation, or medical advice given to you by a physician or medical professional.

Pacemakers Marcapasos


A pacemaker is a small electronic device that helps your heart's electrical system. It keeps your heart beating at the right pace. Inserting the pacemaker into your body is called implantation. You stay awake during the procedure. You may be asked some questions or be asked to take some deep breaths.

Image of pacemaker in body

During the Procedure

  • A local anesthetic is given by injection to numb the area where the pacemaker will be inserted. This keeps you from feeling pain during the procedure.

  • An incision is made where the generator is placed.

  • The lead (transmits to and from your heart) is guided through a vein into your heart's chambers using x-ray monitors.

  • The pacemaker generator is attached to the lead or leads.

  • The pacemaker's settings are programmed to help your heart beat at a rate that' s right for you.

When to Call Your Doctor

Call your doctor right away if you have any of the following:

  • You feel any of the symptoms you had before the pacemaker was implanted (dizziness, lightheadedness, lack of energy or fainting spells).

  • Your chest muscles twitch.

  • You have a rapid or pounding heartbeat or shortness of breath.

  • You feel pain in the area around your pacemaker.

  • You have a fever over 101.0°F, or other signs of infection (redness, swelling or warmth at the incision site).

After the Procedure

  • You will stay in the hospital a day or two.

  • Your pacemaker settings will be rechecked.

  • On the incision side, don't raise your arm above your shoulder for at least a week. This gives the lead a chance to secure inside the vein in your heart.

  • Take your temperature and check your incision for signs of infection every day for a week.

  • Return for a follow-up visit as directed by our staff.

Publication Source: American Heart Association

Publication Source: FDA Heart Health Online

Online Source: American Heart Association

Online Source: FDA Heart Health Online

Date Last Reviewed: 2007-01-15T00:00:00-07:00

Date Last Modified: 2002-07-09T00:00:00-06:00

Jay L. Jordan, MD, is an experienced cardiologist and internal medicine physician who provides a comprehensive range of cardiac care services in Beverly Hills, Los Angeles, Santa Monica, Glendale, Burbank, Calabasas and nearby communities. Take the first step in preventing and controlling heart disease with symptoms such as angina, arrhythmias, atrial fibrillation, cardiomyopathy, carotid artery disease, chest pain, congestive heart failure, coronary vascular disease, hypertension, palpitations, shortness of breath and stroke. Call Dr. Jay L. Jordan at 310-854-5493 or request an appointment online.

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