PULMONARY ARTERY PRESSURE BASED SYSTOLIC TIMING INTERVALS AS A MEASURE OF RIGHT VENTRICULAR SYSTOLIC PERFORMANCE
First Claim
1. A system, comprising:
- a machine-readable media; and
one or more processors communicatively coupled to the machine-readable media, the machine-readable media including instructions, which when executed by the one or more processors, cause the one or more processors to;
identify a first portion of a pulmonary artery pressure (PAP) signal during a cardiac cycle;
identify a second portion of the PAP signal during the cardiac cycle;
obtain a first timing interval between the first portion and the second portion; and
trend data related to the first timing interval to provide a chronic physiological prognostic indicator.
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Accused Products
Abstract
Systems and methods include identifying a first portion and a second portion of a pulmonary artery pressure (PAP) signal during a cardiac cycle. A first timing interval between the first portion and the second portion is obtained and data related to the first timing interval is trended to provide a chronic physiological prognostic indicator. In an embodiment, a second timing interval is obtained from a third portion and a fourth portion of the PAP signal. Then, a function of the first and second timing intervals is trended to provide the chronic physiological prognostic indicator. In one instance, a ratio of the first interval to the second interval is calculated to provide an estimated right ventricle ejection fraction (RVEF) and the RVEF is trended.
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Citations
20 Claims
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1. A system, comprising:
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a machine-readable media; and one or more processors communicatively coupled to the machine-readable media, the machine-readable media including instructions, which when executed by the one or more processors, cause the one or more processors to; identify a first portion of a pulmonary artery pressure (PAP) signal during a cardiac cycle; identify a second portion of the PAP signal during the cardiac cycle; obtain a first timing interval between the first portion and the second portion; and trend data related to the first timing interval to provide a chronic physiological prognostic indicator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method comprising:
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identifying a first portion of a pulmonary artery pressure (PAP) signal during a cardiac cycle; identifying a second portion of the PAP signal during the cardiac cycle;
obtaining a first timing interval between the first portion and the second portion; andtrending data related to the first timing interval to provide a chronic physiological prognostic indicator. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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20. A system comprising:
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a physiological sensor to obtain a pulmonary artery pressure (PAP) signal; a memory device to store the PAP signal; means for identifying a first portion of the PAP signal during a cardiac cycle; means for identifying a second portion of the PAP signal during the cardiac cycle; means for obtaining a first timing interval between the first portion and the second portion; and means for trending data related to the first timing interval to provide a chronic physiological prognostic indicator.
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Specification