As per the manufacturer of our CGM sensors, "performance of the FreeStyle Libre system when used with other implanted medical devices, such as pacemakers, has not been evaluated, therefore a person wearing a pacemaker should not use the FreeStyle Libre system."

https://www.freestyle.abbott/my-en/faqs.html#:~:text=Will%20the%20FreeStyle%20Libre%20system,use%20the%20FreeStyle%20Libre%20system