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    • 7. 发明申请
    • PACEMAKER WITH VASOVAGAL SYNCOPE DETECTION
    • PASMAKER与VASOVAGAL SYNCOPE检测
    • WO1995029734A1
    • 1995-11-09
    • PCT/US1995002913
    • 1995-03-08
    • MEDTRONIC, INC.
    • MEDTRONIC, INC.MARKOWITZ, Toby, H.HESS, Michael, F.SHELTON, Michael, BrentRIFF, Kenneth, M.JENSEN, Donald, Nick
    • A61N01/365
    • A61N1/36514A61N1/365
    • Pacemaker with improved detection methods for occurrence of vasovagal syncope episodes. Increased rate pacing followed by fallback to lower rate is a retained feature. The lower rate need not be related to the increased pacing rate. One alternative detects stable or persistent rate below a threshold rate after a rapid rate drop through the threshold rate. Another alternative detects a "top rate" as a highest persistent rate and compares the difference between it and the rate that follows a rate drop through a "drop rate" or other threshold level. Yet another alternative finds a persistent rate above a first threshold rate before initiating the rate drop detection function. Once initiated, this embodiment preferably detects a rate drop from above said first threshold to below a second threshold rate, and also preferably detects a stable rate below said second threshold rate. Adaptations to avoiding pacing activation during sleep and combinations of the various embodiments are discussed.
    • 起搏器具有改善的血管迷走性晕厥发作检测方法。 增加速率起搏紧随其后,降低速率是一个保留的特征。 较低的比率不需要与增加的起搏率相关。 一个替代方案是在通过阈值速率快速下降之后检测稳定或持续速率低于阈值速率。 另一个替代方案将“最高速率”检测为最高持续速率,并通过“丢弃率”或其他阈值水平比较其与速率下降之间的差异。 另一种替代方案是在启动速率丢失检测功能之前,发现持续速率高于第一阈值速率。 一旦启动,该实施例优选地检测从高于所述第一阈值到低于第二阈值速率的速率下降,并且还优选地检测低于所述第二阈值速率的稳定速率。 讨论了在睡眠期间避免起搏激活的适应和各种实施例的组合。