Systems and Methods for Monitoring Heart Rate and Blood Pressure Correlation
AssigneeNellcor Puritan Bennett LLC
InventorsPaul Stanley Addison, James Watson, Rakesh Sethi
Life of this patent
Estimating the term…
Abstract
Systems and methods are provided for monitoring a correlation between heart rate and blood pressure in a patient. When a characteristic of the correlation exceeds a threshold, a patient status indicator signal is sent to a monitoring device. In some embodiments, the patient status indicator signal indicates a particular medical condition or alerts a care provider to a change in status. In some embodiments, the heart rate signal is used to improve a blood pressure estimate generated by a different signal. In some embodiments, the heart rate, blood pressure and correlation signals are used in a predictive mathematical model to estimate patient status or outcome.
Claims20
1-20. (canceled)
A method for monitoring patient status with a processor, the method comprising:
- receiving an electronic signal indicative of a patient's heart rate;
- receiving an electronic signal indicative of a patient's blood pressure;
- calculating a correlation of the electronic signal indicative of a patient's heart rate and the electronic signal indicative of a patient's blood pressure;
- determining whether the correlation is positive or negative;
- comparing a characteristic of the correlation to a threshold in response to determining that the correlation is positive;
- generating a patient status indicator signal based on the comparison;
- and
- indicating, with an output device, a patient status based on the generated patient status indicator signal.
A system for monitoring patient status with a processor, the system comprising:
- a processor capable of receiving at least one input signal, the processor configured to:
- receive an electronic signal indicative of a patient's heart rate;
- receive an electronic signal indicative of a patient's blood pressure;
- calculate a correlation of the electronic signal indicative of a patient's heart rate and the electronic signal indicative of a patient's blood pressure;
- determine whether the correlation is positive or negative;
- compare a characteristic of the correlation to a threshold in response to determining that the correlation is positive;
- generate a patient status indicator signal based on the comparison;
- and
- an output device communicably coupled to the processor configured to indicate a patient status based on the generated patient status indicator signal.
A system for monitoring patient status, the system comprising:
- non-transitory computer readable medium storing computer executable instructions for:
- receiving an electronic signal indicative of a patient's heart rate;
- receiving an electronic signal indicative of a patient's blood pressure;
- calculating a correlation of the electronic signal indicative of a patient's heart rate and the electronic signal indicative of a patient's blood pressure;
- determining whether the correlation is positive or negative;
- comparing a characteristic of the correlation to a threshold in response to determining that the correlation is positive;
- and
- generating a patient status indicator signal based on the comparison;
- and
- an output device configured to indicate a patient status based on the generated patient status indicator signal.
Dependencies are inferred from the claim text.