Persons with recessively transmitted methemoglobinemia have slate-gray cyanosis. In general they encounter little difficulty although a small but significant number have mental retardation. In 1956 ...

The reduction in the oxygen-carrying capacity of hemoglobin (Hb) in methemoglobinemia patients is due to the conversion of some or all of the four iron species being reduced from the ferrous [Fe 2+] ...

Cyanosis in the newborn can be due to methemoglobinemia, an intra-erythrocytic hemoglobin abnormality. Methemoglobinemia is the presence of a higher than normal level of methemoglobin (MetHb) ferric ...

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) ...

Six American soldiers were evacuated from Vietnam because they became cyanotic while taking antimalarial drugs. Investigations of these and two additional subjects revealed a markedly decreased ...

Fallot’s Tetralogy: Also known as tetralogy of Fallot (TOF), it is a rare cardiac condition caused by a combination of four heart defects that are present at birth. Methemoglobin: An abnormal form of ...

Cyanosis is a symptom of an underlying disease rather than a condition or disease in itself. Cyanosis refers to the bluish discoloration of skin, lips, fingers and toes and mucous membranes. There are ...