SAM event - respiratory sensor disabled
Hi! I got a call from my pacemaker clinic about my last remote interrogation on my crt pacemaker and they were telling me that the sensor that is in place for monitoring respiratory rate was disabled due to interference and noise. It was interesting because all I was doing when it was disabled, was most likely laying in bed. It's called a SAM or sensory artifact moniitor and is programmed to turn off if it detects any interference or noise. It's on the atrial channel of the pacemaker. They are going to continue to monitor it and hopefully turn it back on when I go in next month. I was concerned because I remember when I had this pacemaker put in, the dr had said that the outer insulation on my atrial lead was frayed and they used some medical adhesive that the boston scientific rep recommend to repair it....Just hoping the noise is not from a problem from the lead. Atrial lead will be approaching 20 years in the near future. Numbers on all my remote interrogations have all been stable from a lead impedance standpoint, but I know sometimes they can still be normal and something wrong with the lead. I occasionally have a twitch, especially when laying down sometimes, directly over my pacemaker box. Will go away with change of positions. I mentioned this to them a couple years ago and they had said that with the third lead, can sometimes be laying close to a nerve and cause this. Anyone have any experience with the respiratory monitor being turned off by noise/artifact ?
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