title: Extreme Methemoglobinemia After Topical Benzocaine: Recognition by Pulse Oximetry.
authors.affiliation: Department of Emergency Medicine Monroe Carell Jr. Children's Hospital at Vanderbilt.
authors.forename: Chelsea
authors.initials: C
authors.lastname: Cash
authors.affiliation: Departments of Pediatrics and Emergency Medicine Vanderbilt University School of Medicine Nashville, Tennessee.
authors.forename: Donald H
authors.initials: DH
authors.lastname: Arnold
mesh_terms: D000287:Administration, Topical; D000779:Anesthetics, Local / Q000008:administration & dosage / Q000009:adverse effects*; D001566:Benzocaine / Q000008:administration & dosage / Q000009:adverse effects*; D002675:Child, Preschool; D003490:Cyanosis / Q000209:etiology; D004791:Enzyme Inhibitors / Q000627:therapeutic use; D006801:Humans; D008708:Methemoglobinemia / Q000139:chemically induced* / Q000175:diagnosis / Q000188:drug therapy; D008751:Methylene Blue / Q000627:therapeutic use; D010092:Oximetry / Q000379:methods*
chemical_list: D000779:Anesthetics, Local; D004791:Enzyme Inhibitors; D008751:Methylene Blue; D001566:Benzocaine
keywords: cyanosis; methemoglobin; methemoglobinemia; pulse oximetry