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SYSTEM AND METHOD FOR CHARACTERIZING CIRCULATORY BLOOD FLOW
专利权人:
Jan Berkow
发明人:
Jan Berkow
申请号:
US13178966
公开号:
US20120029374A1
申请日:
2011.07.08
申请国别(地区):
US
年份:
2012
代理人:
摘要:
A computer-implemented method for characterizing circulatory blood volume is disclosed. The method has the steps of acquiring a biological signal that emulates the arterial pulse wave from a sensor. Two derived parameters, circulatory stress, which reflects a harmonic of heart rate, and circulatory blood flow, which reflects the amplitude of the unprocessed biological signal, are extrapolated from the biological signal, and are each compared to a threshold value and assessed to determine an adequacy of circulatory blood volume. In embodiments, the assessment of circulatory blood volume is used to manage a patient's cardiovascular autoregulatory function or the adequacy of transfer of fluids to and from the circulatory system, with the ultimate goal of achieving a circulatory blood volume that adequately supplies the demands of the patient's tissues and organs.
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