title: Normal pulse oximeter reading in a cyanotic infant.
abstract: A newborn infant who presented with central cyanosis was found to have hereditary methaemoglobinaemia. The pulse oximeter readings and physical findings were incompatible. Clinical assessment remains an important part in the management of such cases.
authors.affiliation: Departments of Paediatrics, Prince of Wales Hospital, Chinese University of Hong Kong, Shatin, Hong Kong, China.
authors.forename: A M
authors.initials: AM
authors.lastname: Li
authors.forename: W
authors.initials: W
authors.lastname: Wong
authors.forename: M H
authors.initials: MH
authors.lastname: Chan
authors.forename: K C
authors.initials: KC
authors.lastname: Ma
authors.forename: L K
authors.initials: LK
authors.lastname: Law
authors.forename: R
authors.initials: R
authors.lastname: van Zwieten
authors.forename: C W
authors.initials: CW
authors.lastname: Lam
authors.forename: T F
authors.initials: TF
authors.lastname: Fok
mesh_terms: D003490:Cyanosis / Q000097:blood / Q000175:diagnosis* / Q000209:etiology; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008708:Methemoglobinemia / Q000097:blood / Q000150:complications / Q000175:diagnosis*; D010092:Oximetry; D012680:Sensitivity and Specificity