All true about interaction of reading of spo2 and methemoglobinaemia, except-
Correct Answer: Does not get affected in Methemoglobinaemia
Description: Met Hb absorb red and infrared wavelengths of light in a 1:1 ratio corresponding to an SpO2 of approximately 85%. Therefore, increases in Met Hb produce an underestimation when SpO2> 70% and an overestimation when SpO2 <70%.
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