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SYSTEM FOR IDENTIFICATION AND ADJUSTMENT OF LOSS OF EFFECTIVE CARDIAC RESYNCHRONIZATION THERAPY
SYSTEM FOR IDENTIFICATION AND ADJUSTMENT OF LOSS OF EFFECTIVE CARDIAC RESYNCHRONIZATION THERAPY
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机译:用于识别和调整有效心脏重新同步治疗丧失的系统
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摘要
An implantable medical device system and method for delivering cardiac resynchronization therapy (CRT) pacing that includes determining capture associated with the delivered CRT pacing is ineffective in response to the delivered CRT pacing. A reason for capture being ineffective is determined and a safety margin is adjusted if the determined reason for capture being ineffective is loss of capture and a left ventricle (LV) pre-excitation is adjusted if the determined reason for capture being ineffective is delayed LV depolarization. Monitoring for a change in effective cardiac resynchronization therapy is used to confirm that the adjustment of the CRT pacing was effective in resolving the ineffective capture.
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