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Dr. Andrew Rynne
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What happens if battery of pacemaker gets low?

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My 90 year old father is completely pacemaker dependent, but has had a stroke, is wheelchair bound and now has dementia. Difficult to get him to a cardiologist office. What will happen to him if the battery gets low?

Fri, 31 Aug 2018
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Internal Medicine Specialist 's  Response

There is a possibility of a low battery causing shortness of breath or other symptoms.

When the battery power reaches a certain level known as EOL (End of Life), the PM goes into ERM (Elective Replacement Mode) or one called a VVI. There is enough battery power left to safely operate the PM for at least three months.

During this time period, you may change the pacemaker battery.

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