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pacemaker lead watch

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pacemaker lead watch

Post by mikenall on Mon Apr 27, 2015 9:19 pm

I'm moving the pacemaker lead watch over to general discussions. I was told by the nurse practitioner at the EP's office that the lead wire in my pacemaker is "not necessarily" going bad. All the research I've done based on the limited information available to me is that the outer layer of insulation on the ventricular lead is failing. I won't know of any additional electrical issues unless I get a phone call from the doctors office. What I can see or "feel" is a change in the the pacemakers response to what it may be sensing, or think it is sensing. I was about 30 minutes into a bike ride this morning and felt the ventricular lead kick in, not in a pleasant way. I haven't felt this since about 3-4 weeks after the PM was implanted, while they were still working out programming issues. The dead giveaway was that I had no pulse on my Garmin. When the ventricular lead kicks in, the Garmin can't read my pulse and goes blank. The ventricular lead kicked in in response to something it saw (or thought it saw). This hasn't happened since the programming was basically finalized in late 2013. My best guess is this will turn out to be sensing error. The PM went through a six beat cycle and the ventricular lead didn't see the "problem" anymore, and turned off. I'm going swimming tomorrow morning. On every stroke I now wonder what I'm doing to the insulation on the wire, but I'm still going.

AMI/stent July 2000
Right carotid endarterectomy September 2010
Biotronik Evia DR-T dual chamber pacemaker August 2013

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Age : 66
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Re: pacemaker lead watch

Post by Dave Tuttle on Tue Apr 28, 2015 6:24 am

Sorry to hear that Mike... Would you expect to see a steady rather rapid decline in impedance numbers if it is lead failure? What is the threshold at which they replace the lead versus tweaking the settings to compensate?

I hope you can get this sorted out quickly!

4X CABG Feb 17, 1999 at 46 years.
Dave Tuttle

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