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Pacemakers Help Your Heart Beat at a Normal Rate and Rhythm


According to the National Heart, Lung and Blood Institute the most common reason for a pacemaker is when the heart beats too slowly (bradycardia), or it pauses, causing fainting spells or other symptoms. The device also prevents or treats a too fast or irregular heartbeat (tachycardia). For patients with heart failure, a pacemaker is used to help the heart chambers beat in sync, and enable the heart to pump blood more efficiently.

Pacemakers use low-energy, electrical pulses to control the rate and rhythm of the heartbeat, and the type of pacemaker you get depends on your situation. A traditional pacemaker sends electrical pulses through wires (or leads). It is placed in the chest or abdomen; and wires are connected to electrodes inside one to three heart chambers. This type of pacemaker includes single- and double-lead pacemakers, or biventricular pacemakers also known as cardiac resynchronization therapy (CRT) devices.

A newer version of the pacemaker is a wireless pacemaker without wires, which is about the size of a large pill capsule. It is placed inside a chamber of your heart through a small tube inserted in one of your veins and doesn’t require surgery. The device sends pulses to the right ventricle. Typically the battery life of a pacemaker is between 8 and 13 years.

After the procedure, most patients spend a night in the hospital so doctors can make sure the device is staying in place, doing its job, and programmed correctly. You will be given a card with information regarding the device’s settings and the hospital where you got it, which needs to be always carried with you.

Once home, restrictions include not lifting heavy items or putting your arms over your head to avoid shifting the device or the wires. Your medical team will schedule a check-up over the next few weeks.

Living with a pacemaker includes avoiding close contact (at least 6” away) with devices having strong magnetic fields as they can disrupt your pacemaker. When using your cell phone, put it on speaker phone or hold it to the ear on the other side of your body from your device. Don’t put it in your shirt pocket. Household items like microwaves, electric blankets, and heating pads are usually safe if they are working properly. The risks of airport screening are low, but show your pacemaker card to be individually screened. Contact your doctor with questions and problems, and if you think your pacemaker has stopped working, contact them immediately.

This post is intended for informational purposes only. Please contact your health care provider with any questions or concerns you have regarding your health.

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