Medically reviewed by Archana Sharma, DO Key Takeaways Methemoglobinemia is a rare condition where red blood cells can't ...

One-third of infants with persistent pulmonary hypertension of the newborn (PPHN) do not respond to inhaled nitric oxide (iNO). If iNO is not delivered to the pulmonary vasculature because of ...

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 ...

Acquired methemoglobinemia is a rare disorder affecting the oxygen-carrying capacity of hemoglobin that is caused by exposure to certain chemicals or medications. Outbreaks of methemoglobinemia are ...

THE several rare familial disorders constituting the "congenital methemoglobinemias" arise from either of two kinds of inborn errors of metabolism. One kind, accounting for the hemoglobin-M group, ...

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 ...

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 decarboxylation of DOPA by erythrocyte hemolysates differs from DOPA decarboxylation catalyzed by aromatic aminoacid decarboxylases that contain vitamin B 6 in several significant respects. The ...