Methemoglobinemia is a blood disorder that occurs when too little oxygen is delivered to the cells of the body. There are two kinds of methemoglobinemia — congenital and acquired. Methemoglobinemia ...

A previously healthy 52-year-old Asian woman presented to the emergency department after a syncopal episode. She appeared grey and cyanotic. At 65% fraction of inspired oxygen, pulse oximetry showed ...

Investigation of the electrophoretic characteristics of NADH methemoglobin reductase in five unrelated families with a deficiency of this enzyme showed three different types of enzyme patterns: total ...

Methemoglobinemia is a congenital or acquired blood disorder caused by an abnormal amount of methemoglobin which is a form of hemoglobin. Hemoglobin is the protein in red blood cells (RBCs) ...

The history of the Fugates, a family affected by a strange genetic disorder, has resurfaced online this week, leaving many wondering if blue skin is scientifically possible.The Fugates were a family ...

A report published in the New England Journal of Medicine describes the case of a 25-year-old woman who developed methemoglobinemia following the use of topical benzocaine. According to clinicians ...

The New England Journal of Medicine ©2019. A 25-year-old woman started turning blue after using “large amounts” of topical benzocaine (a numbing agent) for her toothache, a new case report in The New ...

The sulfone antibiotic dapsone, at prophylactic doses, can be associated with the development of methemoglobinemia and hemolytic anemia in patients with and without glucose-6-phosphate dehydrogenase ...