Measurement of pulse oximetry,capnography and pH |
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| Affiliation: | 1. Department of Tissue Engineering, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran;2. Department of Hematology Tarbiat Modares University, Tehran, Iran;3. Brain and Spinal Injury Research Center, Imam Hospital, Tehran University of Medical Sciences, Tehran, Iran;4. Cellular and Molecular Research Center, Tehran University of Medical Sciences, Tehran, Iran |
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| Abstract: | Measurement of arterial oxygen saturation (SpO2), end-tidal carbon dioxide (ETCO2) and pH are linked in this article as they all can be measured by photometric methods. The underlying physical principles, Beer–Lambert law, and other methods of measurement of pH are outlined including advantages and limitations of these techniques. |
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| Keywords: | Absorbance spectrophotometry Beer–Lambert law capnography pH pulse oximetry |
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