发明授权
- 专利标题： Post-shock recovery monitoring for tachyarrhythmia discrimination
- 专利标题（中）： 急性心律失常辨别后的休克恢复监测
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申请号： US13195425申请日： 2011-08-01
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公开(公告)号： US08214038B2公开(公告)日： 2012-07-03
- 发明人: Jaeho Kim , Joseph M. Bocek , Eric G. Lovett
- 申请人： Jaeho Kim , Joseph M. Bocek , Eric G. Lovett
- 申请人地址： US MN St. Paul
- 专利权人： Cardiac Pacemakers, Inc.
- 当前专利权人： Cardiac Pacemakers, Inc.
- 当前专利权人地址： US MN St. Paul
- 代理机构： Schwegman, Lundberg & Woessner, P.A.
- 主分类号： A61N1/362
- IPC分类号： A61N1/362
摘要：
A cardiac rhythm management device is configured to discriminate between ventricular and supraventricular tachycardias (referred to as SVT/VT discrimination) by utilizing a morphology criterion in which the morphology of electrogram waveforms during ventricular beats are analyzed to determine if the beats are normally conducted. After the delivery of a cardioversion/defibrillation shock, however, the intraventricular conduction system is left in a modified state which alters the subsequently generated electrogram signal. Use of the morphology criterion for SVT/VT discrimination is discontinued after delivery of such a shock and resumed after a predetermined minimum number of normally conducted ventricular beats has been detected.
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