Caution needs to be exercised to prevent the methemoglobin levels from exceeding 40%. [16] With methemoglobinemia, the iron moiety of the hemoglobin molecule is in the ferric state and unable to ...
(A methemoglobin concentration above 20% should ... Indications for the initiation of NAC include a serum acetaminophen level on or above the Rumack-Matthew nomogram; situations in which a serum ...