Cardiac rhythm management system adjusting rate response factor for treating hypotension
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United States of America Patent
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Jun 14, 2005
Grant Date -
Oct 10, 2002
app pub date -
Jun 12, 2001
filing date -
Apr 10, 2001
priority date (Note) -
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Abstract
A cardiac rhythm management system detects hypotension, such as by using thoracic impedance to detect a fluid shift away from the thorax. In response to an episode of detected hypotension, it increases a pacing rate response factor mapping a metabolic need to an indicated pacing rate provided by the system. The metabolic need is indicated by an accelerometer, a respiration sensor, or other metabolic need sensor indicating a subject's need for adjusting cardiac output.
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