A rare cause of cyanosis: Congenital methemoglobinemia

Abstract

Abstract Congenital Methemoglobinemia is a rare condition that may mimic congenital heart diseases. There are two types of congenital Methemoglobinemia. The type I is usually benign. The enzyme deficiency is limited to red blood cells. Clinically, the patient presents cyanosis without neurological disorders. Whereas, in type II, cyanosis is associated with severe neurological impairment.

Keywords

• critical care medicine
• emergency medicine
• genetics
• paediatrics and adolescent medicine