| 摘要 |
The invention comprises a method for determining oxygen saturation in a subject, comprising the steps of compiling a data base of measured spectral data that includes pulsatile AC and non-pulsatile DC components, and spectral values of oxyhemoglobin (oxyHb) and deoxyhemoglobin (deoxyHb); determining absorbed pulsatile components and non-pulsatile components as a function of the oxyHb and deoxyHb values; determining total pulsatile and non-pulsatile optical density as a function of the absorbed pulsatile and non-pulsatile components; determining a mathematical relationship between at least one pulsatile AC parameter and at least one non-pulsatile DC parameter; and estimating oxygen saturation based on the mathematical relationship.
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