Systems and methods for monitoring blood pressure
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United States of America Patent
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Mar 12, 2019
Grant Date -
Feb 26, 2015
app pub date -
Aug 23, 2013
filing date -
Aug 23, 2013
priority date (Note) -
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Abstract
Various methods and systems for blood pressure monitoring are provided. A device for monitoring blood pressure may include a memory storing instructions for receiving one or more signals representative of one or more patient parameters, wherein at least one of the one or more signals comprises a plethysmography signal. The memory also stores instructions for determining a change in a pulse shape metric of the plethysmography signal and determining a change in a blood pressure signal over a period of time based on the one or more signals. The memory also stores instructions for determining a confidence level of the blood pressure signal based at least in part on a correlation between the change in the blood pressure signal and the change in the pulse shape metric over the period of time. The device also includes a processor configured to execute the instructions.
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