RT Book, Section A1 Palatnick, Wesley A2 Tenenbein, Milton A2 Macias, Charles G. A2 Sharieff, Ghazala Q. A2 Yamamoto, Loren G. A2 Schafermeyer, Robert SR Print(0) ID 1155749274 T1 Methemoglobinemia T2 Strange and Schafermeyer's Pediatric Emergency Medicine, 5e YR 2019 FD 2019 PB McGraw-Hill Education PP New York, NY SN 9781259860751 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=1155749274 RD 2024/10/07 AB Suspect methemoglobinemia in patients with cyanosis unresponsive to 100% oxygen.The antidote for methemoglobinemia is methylene blue.In patients with methemoglobinemia, conventional pulse oximetry produces factitiously low oxygen saturations.Co-oximetry is the method of choice for methemoglobin measurement.Young infants with diarrhea and sepsis can develop methemoglobinemia.