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Cardiac implantable electronic devices' longevity: A novel modelling tool

Cardiac implantable electronic devices' longevity: A novel modelling tool

2 comments

·November 22, 2025
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varenc

> Longevity can be calculated based upon a simple concept entitled the “power consumption index” (PCI = t x I/C, where t is a constant of 1 hour, I is the current required by the device and C, its battery capacity).

So basically current draw over battery capacity? Or just amps / amp-hours, then * 1 hour to cancel the unit; needlessly IMHO. Surprised this isn't already a standard metric.

et2o

Cardiology fellow here. The more you have to pace the shorter the battery lasts? Struggling to see what the novelty is here.