Benzocaine-induced methemoglobinemia: experience from a high-volume transesophageal echocardiography laboratory.

  title={Benzocaine-induced methemoglobinemia: experience from a high-volume transesophageal echocardiography laboratory.},
  author={Gian M. Novaro and Herbert D. Aronow and Michael A Militello and Mario J. Garcia and Ellen Mayer Sabik},
  journal={Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography},
  volume={16 2},
Benzocaine (ethyl aminobenzoate), a topical anesthetic widely used before transesophageal echocardiography, has been reported to cause acquired methemoglobinemia. The incidence of benzocaine-induced methemoglobinemia in clinical practice, however, has been difficult to estimate. After systematic review of our institutional experience for clinically recognized cases of benzocaine-induced methemoglobinemia in patients undergoing transesophageal echocardiography, we report an estimated incidence… CONTINUE READING
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