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Tagging Clean up , typos fixed: europe → Europe using AWB |
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J<sup>*</sup><sub>O2</sub> is the uptake of oxygen (ml/min). P<sub>AO2</sub> is the alveolar partial pressure of oxygen. P<sub>cO2</sub> is the [[partial pressure]] of oxygen in the alveolar capillary. Thus, the higher the diffusing capacity DL, the more gas will be transferred across the alveolar-capillary membrane for a given gradient in partial pressure (or concentration) of the gas.
Because it is difficult to measure the capillary partial pressure of oxygen, [[carbon monoxide]] (CO) is used as the test gas to measure the diffusing capacity (Dlco), in
:<math>D_LCO = \frac {J^*_{CO}}{P_{ACO}}</math>
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