TY - JOUR T1 - Benzocaine Induced Methemoglobinemia: A Potentially Fatal Complication of Transesophageal Echocardiography JF - Ochsner Journal JO - Ochsner J SP - 34 LP - 35 VL - 5 IS - 2 AU - Keshav Chander AU - Carl J. Lavie AU - Hector O. Ventura AU - Richard V. Milani Y1 - 2003/03/20 UR - http://www.ochsnerjournal.org/content/5/2/34.abstract N2 - Transesophageal echocardiography (TEE) is a relatively safe procedure with complications including bleeding, esophageal perforation, and respiratory failure being rare. One of our patients recently developed severe cyanosis despite pulse oximetry of 85% following TEE. This directs our attention to a rare, easily treatable, but potentially fatal complication of this procedure. ER -