Key result
A pacemaker power-on reset phenomenon occurred upon placing the programmer wand in a 67-year-old male, which was resolved by immediate re-programming without recurrence over 12 months.
Case Report (n=1)
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A 'power-on reset' phenomenon can occur in a pacemaker upon placement of a programmer wand, without prior indication of device malfunction.
A 67-year old male with a dual-chamber pacemaker visited for a regular check-up. An unfamiliar message emerged on the display just after placing the programmer wand. We could recognize that the pacemaker had already been in the safe back-up mode of DDI, and the programmer prompted a re-initialization request. We are so surprised because there was no indication of device malfunction the day before in daily monitoring and a 12-lead electrocardiogram revealed normally working in the DDD mode just before checking the device. The pacemaker was immediately re-programmed to the former setting. This phenomenon has not recurred for 12 months.
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Yazaki et al. (2018) conducted a case report in Pacemaker power-on reset phenomenon (n=1). Pacemaker re-programming was evaluated on Recurrence of power-on reset phenomenon. A pacemaker power-on reset phenomenon occurred upon placing the programmer wand in a 67-year-old male, which was resolved by immediate re-programming without recurrence over 12 months.
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