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Fast Pulse and Pacemaker
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Fast Pulse and Pacemaker

About 4 months ago I had a pacemaker installed. Ever since, my pulse seems quite high. Even when I'm not exerting much effort it is well above 90. During my last check up, I was told that the electrode going into my atrium was draining power from the pacemaker at a high rate. They were attempting to adjust this.  What could be causing this? Is this a worry? I keep thinking there is some underlying cause & it's making me depressed. help?  
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There is something called pacemaker mediated tachycardia, which is where the atrial lead senses the activity in the ventricle and is triggered to start another cardiac cycle prematurely, resulting in a fast heart rate. This usually results in rates much faster than the 90s though -- usually in the 100-130s, sometimes faster. If this were happening, it should show up when the pacemaker is interrogated, so if the interrogation turned out okay, then it is probably not the problem.
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