DETECTION OF HYPOVOLEMIA USING IMPLANTABLE MEDICAL DEVICE
First Claim
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1. A system for monitoring a body having a pulmonary artery and a cardiac wall, the system comprising:
- an hypovolemia detection module configured to receive a pulmonary artery pressure (PAP) signal via wireless telemetry, the hypovolemia detection module including a signal processor configured to process the PAP signal and a hypovolemia detector configured to produce a diastolic PAP (DPAP) using the processed PAP signal and produce at least one of a hypovolemia detection signal and a hypovolemia prediction signal using at least the DPAP, the hypovolemia detection signal indicative of a detection of hypovolemia, the hypovolemia prediction signal indicative of an elevated risk of hypovolemia.
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Abstract
An implantable medical device receives a physiological signal indicative of circulatory blood volume and detects hypovolemia from that physiological signal. In one embodiment, an implantable pulmonary artery pressure (PAP) senses a PAP signal, and the implantable medical device detects hypovolemia from the PAP signal.
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Citations
20 Claims
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1. A system for monitoring a body having a pulmonary artery and a cardiac wall, the system comprising:
an hypovolemia detection module configured to receive a pulmonary artery pressure (PAP) signal via wireless telemetry, the hypovolemia detection module including a signal processor configured to process the PAP signal and a hypovolemia detector configured to produce a diastolic PAP (DPAP) using the processed PAP signal and produce at least one of a hypovolemia detection signal and a hypovolemia prediction signal using at least the DPAP, the hypovolemia detection signal indicative of a detection of hypovolemia, the hypovolemia prediction signal indicative of an elevated risk of hypovolemia. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for monitoring a patient, the method comprising:
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receiving a pulmonary artery pressure (PAP) signal from an implantable PAP sensor via wireless telemetry; producing a diastolic PAP (DPAP) using the PAP signal; and producing at least one of a hypovolemia detection signal and a hypovolemia prediction signal using at least the DPAP, the hypovolemia detection signal indicative of a detection of hypovolemia, the hypovolemia prediction signal indicative of an elevated risk of hypovolemia. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A system configured to be coupled to a body having a pulmonary artery, comprising:
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means for receiving a pulmonary artery pressure (PAP) signal; means for producing a diastolic PAP (DPAP) using the PAP signal; and means for producing at least one of a hypovolemia detection signal and a hypovolemia prediction signal using at least the DPAP, the hypovolemia detection signal indicative of a detection of hypovolemia, the hypovolemia prediction signal indicative of an elevated risk of hypovolemia. - View Dependent Claims (18, 19, 20)
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Specification