Computer Engineeringelectronics Engineering Civil Engineering |
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Impedance plethysmography can be used to measure arterial volume change that occurs with propagation of the blood pressure pulse in a limb segment. For this measurement, we assume a constant value of blood resistivity. However, blood resistivity may change under both physiological and pathological conditions. Use of an impedance plethysmograph on a finger immersed in a saline filled beaker may yield a method for determining this change in blood resistivity. This may develop into a method that diabetics can use to measure glucose levels non-invasively. The goal of our project is to design a finger plethysmograph to measure blood resistivity. |
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