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Table 1 Progress of blood gas analysis and methemoglobin concentration of case 1

From: Two Cases of Methemoglobinemia Induced by the Exposure to Nitrobenzene and Aniline

  Initial Progress *
2 hours later 1 day later
pH 7.41 7.45 7.41
PCO2 (mmHg) 35.6 35.2 39.2
PO2 (mmHg) 161 155 86.3
HCO3 (mmol/L) 21.9 24.3 24.5
O2 saturation (%) 97.8 98.1 95.6
Methemoglobin (%) 19.8 12.7 2.1
  1. *The patient was treated with O2 inhalation via mask(10 L/min).