Ventricular Tachycardia

I had my medtronic PM for more than 6 years and no issues so far.Sometime when I send my transmission they used to tell me about an episdoe of A-fib for few seconds or mins but my EP said he doesnt see the need to put me on blood thinners. During my last check up they noticed a ventricular tachycardia rythm and he ordered an ECHO and MRI. The echo showed my EF dropped to 45% and MRI is scheduled mid-March. He also mentioned that they could replace my PM to an ICD to manage these rythms. Just wondering if anyone has gone through a similar experience. I am 46 male living in Dallas TX.


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by crustyg - 2021-02-28 03:49:29

Hi: Your Bio is empty, you don't say why you ended up with a PM.  I can see that you were paced 100% with a low resting HR and were asking about reducing the PM's paced rate at night to save battery life (has no effect).  At a guess (always dangerous) you've at least got some evidence of SSS +/- CI OR significant HB.  You haven't listed your PM model, only vendor, so we don't know if you have dual leads which would help distinguish the two - athough I think you'd be lucky to find an EP-doc these days who would put in a single-chamber PM for SSS.

You may be developing LV-remodelling from prolonged RV-apical pacing, in which case CRT would likely help with reduced %LVEF.  Or you may be developing signs of a more dangerous cardiomyopathy (the VT).

Your forthcoming cardiac MRI - gadolinium IV contrast - and lots of breath-holding should give the best possible information.

Best wishes.

Thank you

by seenu302 - 2021-03-02 12:36:56

Thank you crustyg for your response. I had my dual lead medtronic since 2014.My mom had the same thing in 2016 but we had to upgrade hers to 3 lead to reduce the dissyncrony of her HB's. I guess my cardiac MRI will give me more clarity.

Family history is probably the key piece of information

by crustyg - 2021-03-03 11:23:09

Although it's by no means certain, there may well be a link between your Mother's heart problems and yours.  Genetic testing in this area is pretty routine now.  And the cardiac MRI is the most important investigation.

Best wishes.


Thanks again

by seenu302 - 2021-03-03 14:08:28

She has been recently diagnosed with Amyloidosis in her heart. Fingers crossed.

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