| 摘要 |
An implantable medical device and method of pacing provide for switching from a first pacing mode to second pacing mode upon detection of a period of accelerated atrial arrhythmia. Generally, the second pacing mode has an associated predetermined lower pacing rate. At least initially, upon switching from the first pacing mode to the second pacing mode, the predetermined lower pacing rate is adjusted to an elevated adjusted lower rate. Further, this elevated adjusted lower rate may then be decelerated towards a programmed basic pacing rate during a deceleration period. Generally, the programmed basic pacing rate is elevated relative to the predetermined lower pacing rate.
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