What Happens When Pacemaker Battery Dies

A pacemaker is a battery-powered device implanted in the chest to help control abnormal heart rhythms. It sends electrical impulses to the heart to beat normally. But what happens when the battery dies? This blog post will discuss what happens when a pacemaker’s battery dies and what patients can do to prepare for this event.

What happens if you don’t replace your pacemaker battery?

Generally, if you don’t replace your pacemaker battery, it won’t treat various heart rhythm problems, such as Bradycardia (a slow heart rate) and Tachycardia (an abnormally fast heart rate). Furthermore, here are a few common risks you could get:

Heart block: Heart block occurs when the electrical signals that cause your heart to beat become slowed or disrupted. It is dangerous as it can lead to a decrease in blood flow and oxygen to the heart.

Arrhythmias: Arrhythmias can be life-threatening and potentially fatal. It is an abnormal heart rhythm caused by several factors, including a malfunctioning pacemaker.

Sudden cardiac death: Sudden cardiac death occurs when the heart suddenly stops beating due to an electrical problem.

What happens when pacemaker battery dies?

When the pacemaker battery dies, it might be symptoms¬†of pacemaker battery failure. It means the device will no longer work, a heart attack might occur, and your heartbeat at a regular pace would stop, causing death or fatality. Thus, checking your pacemaker’s battery regularly and ensuring it’s working is essential. If you notice that the battery is starting to die, contact your doctor right away.

What are the signs of a pacemaker battery dying?

The following are the common signs of a pacemaker battery dying:

  • a sudden drop in heart rate
  • shortness of breath
  • fatigue
  • lightheadedness

Does a pacemaker beep when the battery is low?

A pacemaker typically emits a low-pitched beeping noise when the battery gets low. Some pacemakers beep once a minute, while others may beep more frequently. This is designed to warn the patient that it’s time to get the battery replaced.

If you’re having trouble hearing the beeping noise, or if you’re unsure whether your pacemaker has a low battery, talk to your doctor about it to test the battery level or change the settings on your pacemaker so that you’re more aware of when it needs to be replaced.

How do patients with pacemakers die?

Patients with pacemakers usually die from the exact cause as people without pacemakers. However, if you have a pacemaker and are involved in a car accident, the force of the impact could damage your device. If you have an MRI, the powerful magnetic field could also interfere with your pacemaker and cause it to malfunction.

What causes pacemaker failure?

The leading cause of pacemaker failure is its batteries running out of power. Other causes include electrical interference from devices such as cell phones or other electronic equipment, physical trauma to the pacemaker, or infection. In rare cases, a pacemaker may fail because of a manufacturing defect or due to changes in the electrical activity of the heart.


To sum up, a pacemaker is a medical device that helps control heart rate. It does this by sending electrical impulses to the heart muscles. These impulses are powered by a pacemaker’s battery that lasts up to five to seven years. The pacemaker no longer works when the battery dies, causing problems for the patient, including an increased risk of heart attack or stroke. Thus, if you think the battery gets low, seek medical attention immediately to tell you if the battery needs to be replaced.

About the author, Phil Borges

Phil Borges is a battery aficionado. He's written extensively about batteries, and he loves nothing more than discussing the latest innovations in the industry. He has a deep understanding of how batteries work, and he's always on the lookout for new ways to improve their performance.