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 ...

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 ...

Certain features of congenital methemoglobinemia suggest that the methemoglobin may not be distributed at random among the red cells. In the first place, the methemoglobin proportion tends to reach a ...

Potentially harmful levels of methemoglobin, which can build in patients receiving certain anesthetics, can be detected using a new, non-invasive monitoring technique called pulse CO-oximetry, ...

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 ...

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) ...

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 ...

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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In James Cameron’s 2009 blockbuster "Avatar," the forest-loving Na’vi have stunning blue skin.

Eight hundred children from 1 week to 16 years of age were tested intradermally with 0.1 cc. of a 1 : 100 dilution of the toxic filtrate from cultures of the non-methemoglobin-forming streptococcus ...

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 ...