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Benzocaine-Induced Methemoglobinemia—Two Case Reports Related to Transesophageal Echocardiography Premedication

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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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Ho, R.T., Nanevicz, T., Yee, R. et al. Benzocaine-Induced Methemoglobinemia—Two Case Reports Related to Transesophageal Echocardiography Premedication. Cardiovasc Drugs Ther 12, 311–312 (1998). https://doi.org/10.1023/A:1007778002540

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  • DOI: https://doi.org/10.1023/A:1007778002540

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