Pulse oximetry gives artificially high readings in presence of carboxyhaemoglobin
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6 May 2021Pulse oximetry gives artificially high readings in presence of carboxyhaemoglobin
Greenhalgh and colleagues omit a serious limitation of two wavelength pulse oximetry.1 They mention “falsely low readings with certain haemoglobinopathies,” but a much more important danger is that…
