It was reported that during a routine in-clinic follow-up, this pacemaker was found to have reverted to safety mode.Additionally, the presenting electrogram (egm) showed noise on the right atrial (ra) and right ventricular (rv) channels, however, the noise was not oversensed.Technical services (ts) discussed that safety mode puts the device in unipolar configuration and discussed the potential of inhibition of pacing due to oversensing of noise in unipolar configuration.Further review was recommended.No adverse patient effects were reported.This device remains in service.If information is provided in the future, a supplemental report will be issued.
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