Device Resetting?

I am not sure if this is the case. But the last year I've noticed my that my heart rate has been dropping more and more. When I first got my pacemaker in 2013 when I was in the gym working out my heart rate stayed pretty normal 120-160s when being active. Now in 2019-2020 it barley goes over 100 most of the times. I've had it adjusted a few times. They've even done an exercise stress test that showed for my age my heart and pacemaker were not reacting normal. So again it was adjusted. But I fear it's happening again barley a few months later. Has anyone else had this problem? Or know what's causing it? Is the pacemaker resetting itself to default settings? 


I had an ablation in 2011 due to my heart rate going high and blood pressure dropping resulting in passing out. (Eventually Diagnosed with POTS) Then after the ablation my heart rate dropped and stayed in the low 30s brushing 28bpm in sleep. So a single lead pacemaker was implanted due to heart rate in my RA. My rate response has been adjusted many times due to this issue of the heart rate not reacting properly to every day activities and exercise. My Rate response is this set to be more responsive due to being an active person. My Set resting rate is 60bpm.


Not enough information

by AgentX86 - 2020-02-21 23:20:57

We'd need a lot more information to even hazard a guess but I highly doubt it's the pacemaker.  We'd need to know why you have a pacemaker, as much about your history as possible, and some of the settings (like rate response) as possible to even hazard a guess.

If I had to guess, your heart is wonky (you said so yourself) and your pacemaker isn't set to make it right.

Low heart rate

by Selwyn - 2020-02-22 05:52:00

A single lead in the right atrium may not add up with your slow heart rate in the night ie. down to 28 beats per minute. This implies either a sick sinus or 'heart block'- more likely the latter, as the pacing is likely to be functioning OK ( you have had this seen to "many times")

I would suggest 48 hour monitoring ( Holter)  is required to see what is going on. 

Some medical conditions, such as under active thyroid may cause a slow heart beat.

An inability to respond to a right atrial pacing lead may be more indicative of A-V nodal disease ( 'heart block' of some sort), given that the rate response and thresholds for pacing are OK.

Back to the medics!

Best wishes.


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