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Anaesthesia
All true about interaction of reading of spo2 and methemoglobinaemia, except-
MetHb absorbs red and infrared wavelength of light in a 1:1 ratio corresponding
Increase in Methb produce an underestimation when spo2 > 70%
Increase in Met Hb produce an overestimation when spo2 <70%
Does not get affected in Methemoglobinaemia
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