title: Dapsone-induced methemoglobinemia: "Saturation gap"-The key to diagnosis.
abstract: Two cases of Acquired Methemoglobinemia are presented. The significance of a high index of suspicion for diagnosisis emphasized, especially in the presence of a "saturation gap". The various causes of acquired methemoglobinemia are enumerated and the management reviewed.
authors.affiliation: Department of Anesthesiology and Critical Care, Armed Forces Medical College, Pune, Maharashtra, India.
authors.forename: Shivinder
authors.initials: S
authors.lastname: Singh
authors.affiliation: Department of Anesthesiology and Critical Care, Armed Forces Medical College, Pune, Maharashtra, India.
authors.forename: Navdeep
authors.initials: N
authors.lastname: Sethi
authors.affiliation: Department of Anesthesiology and Critical Care, Armed Forces Medical College, Pune, Maharashtra, India.
authors.forename: Sushmitha
authors.initials: S
authors.lastname: Pandith
authors.affiliation: Department of Anesthesiology and Critical Care, Armed Forces Medical College, Pune, Maharashtra, India.
authors.forename: Gouri Shankar
authors.initials: GS
authors.lastname: Ramesh
keywords: Acquired methemoglobinemia; dapsone; saturation gap