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PROCESSING OF LAP SIGNALS
专利权人:
Andreas Blomqvist
发明人:
Andreas Blomqvist,Kjell Noren
申请号:
US13517009
公开号:
US20140257070A1
申请日:
2011.06.20
申请国别(地区):
US
年份:
2014
代理人:
摘要:
Cardiac valve events are monitored by recording a left atrial pressure (LAP) representing signal using an implantable pressure sensor (50). The LAP signal is processed in order to generate a derivative LAP signal representative of the first time derivative of the LAP signal. The opening of the aortic valve of the heart is then identified to coincide in time with a minimum in the derivative LAP signal following ventricular depolarization in a cardiac cycle.
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中国工程科技知识中心
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