| 摘要 |
A system with an implantable cardiac stimulation device having an implantable stimulation generator, at least one implantable lead adapted for connection to the implantable stimulation generator and further adapted for at least one of sensing physiologic activity and delivery of therapy, memory, and a controller in communication with the memory and with the at least one implantable lead and stimulation generator. The controller is configured to automatically evaluate a patient's physiologic status and selectively induce delivery of therapeutic stimulation under variable timing parameters. The system also has a measurement system adapted to measure at least one of strain and velocity of myocardial tissue and is adapted to evaluate strain and/or velocity measures and adjust the variable timing parameters of the implantable stimulation device to increase mechanical synchrony of the myocardial tissue.
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