Measurement of cardiac cycle length and pressure metrics from pulmonary arterial pressure
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United States of America Patent
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Aug 2, 2022
Grant Date -
Nov 21, 2019
app pub date -
Jul 29, 2019
filing date -
Apr 28, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A method and apparatus for monitoring a cardiovascular pressure signal in a medical device that includes determining whether the sensed pressure signal is greater than a first pressure threshold, determining a first metric of the pressure signal in response to the sensed pressure signal being greater than the first pressure threshold, determining whether the sensed pressure signal is greater than a second pressure threshold not equal to the first pressure threshold, determining a second metric of the pressure signal in response to the sensed pressure signal being greater than the first pressure threshold, and determining at least one of a systolic pressure or a diastolic pressure, wherein the at least one of a systolic pressure or a diastolic pressure is determined based on the first metric in response to the pressure signal not being greater than the second threshold, and based on the second metric in response to the pressure signal being greater than the second threshold.
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