| http://www.w3.org/ns/prov#value | - It is therefore necessary to select a high threshold voltage and that unduly shortens the useful life of the pacing IPG. [0012] Many other approaches have been described in the prior art for estimating the remaining life until ERI from measured Lithium-Iodine battery voltage and impedance and also including data related to the operating history of the IMD, e.g., cumulative delivered pacing pulses
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