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Systems and methods for accurately, substantially noninvasively determining pulmonary capillary blood flow or cardiac output
Systems and methods for accurately, substantially noninvasively determining pulmonary capillary blood flow or cardiac output
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机译:用于准确,基本无创地确定肺毛细血管血流或心输出量的系统和方法
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摘要
Methods for noninvasively determining a pulmonary capillary blood flow or a cardiac output of a subject include determining data of the amount of gas exchanged between blood and gas in lungs of the subject, as well as data of an indicator of the content of the gas in blood of the subject. Such a determination may be made during two or more different states of ventilation. A geometric relationship is identified between data points, with any data points outlying the geometric relationship being disregarded. The remaining data points may be used to estimate or calculate a measure of pulmonary capillary blood flow or cardiac output. Systems that include elements that are configured to effect such methods are also disclosed.
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