First 10EM - August 31, 2020 - By Justin Morgenstern
"A 45 year old brought in by EMS after being found unconscious and cyanotic. She has Celiac disease, and was started on dapsone for dermatitis herpetiformis yesterday. She doesn’t have any other health problems, and aside from the rash, has been healthy recently. She is afebrile and her blood glucose is normal. She looks blue, and her oxygen saturation is reading 85% despite the nonrebreather placed by EMS. Her working of breathing appears normal and her lung exam is unremarkable. The nurse doing blood work notes that her blood looks funny – a chocolate brown colour. Could this be methemoglobinemia?..."