Battery Life of CRT-D

I am going to have my third wire placed on Thursday in my CRT-D. They are going to try for the third time to do this.

Do you know if adding the third wire will shorten the life of the battery?. Not sure if the third wire continuously paces the heart thereby using more battery power  of if it does it periodically.



Yes, but not by a huge amount

by crustyg - 2019-11-04 13:52:19

The short answer is yes: the whole point of the third wire for CRT-therapy is that it *does* pace the LV to restore a more normal order of cardiac contraction - you get better ventricular filling and better timed cardiac contraction (things like the papillary muscles contract to close the mitral valve *before* the LV pressure exceeds the LA pressure) and tends to reverse the LV remodelling that RV apical pacing can induce.

Exactly how much it reduces the battery life of your box I can't say.  A measurable amount, but probably not a huge amount.  It's not an area where I have experience/expertise, although others here do.

third lead, third try

by barbara100 - 2019-11-05 20:22:27

just wanted to wish you success!  you are super patient w/ whoever had done these attempts -

You know you're wired when...

Your electric tooth brush interferes with your device.

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