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  Indian J Med Microbiol
 

Figure 1: Oxygen–dissociation curve. Methemoglobin has a higher oxygen affinity compared to normal hemoglobin, resulting in the shift of oxygen–dissociation curve toward the left making the release of oxygen difficult. Percentage of haemoglobin (%Hb); partial pressure of oxygen (PO2)

Figure 1: Oxygen–dissociation curve. Methemoglobin has a higher oxygen affinity compared to normal hemoglobin, resulting in the shift of oxygen–dissociation curve toward the left making the release of oxygen difficult. Percentage of haemoglobin (%Hb); partial pressure of oxygen (PO<sub>2</sub>)