Benzocaine-Induced Methemoglobinemia—Two Case Reports Related to Transesophageal Echocardiography Premedication |
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| Authors: | Reginald T. Ho Tania Nanevicz Rupsa Yee Vincent M. Figueredo |
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| Affiliation: | (1) Division of Cardiology, San Francisco General Hospital Medical Center, University of California, San Francisco, California, USA |
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| Abstract: | Benzocaine-induced methemoglobinemia is a potentially life-threatening complication. We report two cases of methemoglobinemia due to topical benzocaine spray used as premedication for transesophageal echocardiography. A high index of suspicion is needed for this readily treatable condition. |
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| Keywords: | benzocaine methemoglobinemia anesthesia transesophageal echocardiography |
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