Sachdeva, Rajesh Benzocaine-induced methemoglobinemia: a potentially fatal complication of transesophageal echocardiography. [electronic resource] - Texas Heart Institute journal 2003 - 308-10 p. digital Publication Type: Case Reports; Journal Article ISSN: 0730-2347 Subjects--Topical Terms: AgedAnesthetics, Local--adverse effectsBenzocaine--adverse effectsEchocardiography, TransesophagealHumansMaleMethemoglobinemia--chemically induced