| 摘要 |
A heart stimulator, having a stimulation pulse generator and output means connected to it; a heart signal input stage for detecting evoked heart signals; an AV delay unit, connected on the output side to the stimulation pulse generator, for generating an AV interval between an atrial cardiac event or stimulation pulse, and a stimulation pulse output to the ventricle; an AV interval calculator, connected on the input side to the heart signal input stage and on the output side to the AV delay unit, for calculating the AV interval on the basis of a parameter of the heart signal; in this heart stimulator, the heart signal input stage is embodied for detecting the signal shape of evoked heart signals, and the AV interval calculator is embodied for calculating the AV interval on the basis of the heart signal shape detected.
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