sulfhemoglobinemia https://www.malacards.org/card/sulfhemoglobinemia Sulfemoglobinemia MEDGEN:52562 GARD:0024512 MedDRA:10042481 A morbid condition due to the presence of sulfmethemoglobin in the blood. It is marked by persistent cyanosis, but the blood count does not reveal any special abnormality in the blood. It is thought to be caused by the action of hydrogen sulfide absorbed from the intestine. (Stedman, 25th ed) MONDO:0006988 DOID:12451 MESH:D013436 SCTID:32117000 EFO:1001200 UMLS:C0038732 hemoglobinopathy