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?
Pacemaker battery status is checked during follow-up, in clinic or through remote monitoring when your care team uses it. The clinic can assess battery strength and tell you when replacement planning is needed. Keep the schedule set by your implant team; the timing and clinical implications depend on your device and your pacing needs. Contact your care team promptly about a device alert or missed follow-up.
Sources: American Heart Association, Living With Your Pacemaker.
What happens when pacemaker battery dies?
Do not wait for a symptom to decide whether a pacemaker battery needs attention. Device checks can show battery status before a patient notices a problem, and the implant clinic will explain the next steps for that specific model. If you receive an alert or are concerned about your device, contact your clinic. For severe symptoms such as fainting, chest pain, or major difficulty breathing, seek urgent medical care.
Sources: American Heart Association, Living With Your Pacemaker; American Heart Association, Living With Your Pacemaker.
What are the signs of a pacemaker battery dying?
Shortness of breath, chest pain, dizziness, or fainting can have many causes and cannot confirm pacemaker battery status. Battery status is assessed through the device's follow-up checks, not by symptoms alone. Contact your implant clinic about symptoms or device alerts; seek urgent care for severe or sudden symptoms.
Sources: American Heart Association, Living With Your Pacemaker; American Heart Association, Living With Your Pacemaker.
Does a pacemaker beep when the battery is low?
Do not assume every pacemaker gives an audible low-battery warning. Alert methods depend on the implanted device and its monitoring setup. Some heart devices, including certain ICD and CRT-D models, can sound a tone; clinicians may also check status during appointments or remote monitoring. Ask your device clinic how your exact model communicates alerts, and do not rely on a beep—or its absence—to judge battery status.
Sources: Medtronic, How is someone with a heart device alerted when battery starts running low?.
How do patients with pacemakers die?
A pacemaker does not determine a person's overall life expectancy. The outlook depends on the person's heart condition and general health. Ask the treating cardiology team about an individual's prognosis. If an accident damages the implant area or a device alert appears, contact the implant clinic for advice.
Sources: American Heart Association, Living With Your Pacemaker.
What causes pacemaker failure?
There is no single cause or symptom that can diagnose a pacemaker problem. Device checks assess battery status and device function; the care team can interpret results for the specific implant. Keep scheduled checks and contact the clinic if you receive an alert or have a concern.
Sources: American Heart Association, Living With Your Pacemaker; Medtronic, How is someone with a heart device alerted when battery starts running low?.
Conclusion
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.
