Cross-checking of transthoracic impedance and acceleration signals
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United States of America Patent
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Apr 16, 2013
Grant Date -
Feb 23, 2012
app pub date -
Oct 31, 2011
filing date -
Dec 30, 2002
priority date (Note) -
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Abstract
A first chamber minute ventilation rate is determined based on a first transthoracic impedance signal received from a first chamber of a heart and a second chamber minute ventilation rate is determined based on a second transthoracic impedance signal received from a second chamber of the heart. A processor compares the minute ventilation rates to determine a rate. In one embodiment, an accelerometer sensor provides data for evaluating propriety of a rate. Before implementing a rate change, signals from multiple sensors are cross-checked.
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