Purpose: The use of transesophageal echocardiography has increased over the past
several years. It is generally considered a safe diagnostic and monitoring tool. Whereas …

OBJECTIVES: The purpose of this study was to examine whether the natural herb clove can
replace benzocaine as a topical anesthetic. METHODS: Topical agents were applied to the …

Background Methemoglobinemia (MHb) is characterized by abnormal levels of oxidized
hemoglobin that cannot bind and transport oxygen. When induced by benzocaine anesthetic …

Guidelines for the practice of endoscopy are developed by the American Society for
Gastrointestinal Endoscopy with evidence-based methodologies. A literature search is …

Importance Methemoglobinemia is a rare but serious disorder, defined as an increase in
oxidized hemoglobin resulting in a reduction of oxygen-carrying capacity. Although …

The ease and availability of endoscopy as a diagnostic and therapeutic modality for
gastrointestinal (GI) disorders has greatly increased the number of procedures performed in …

Benzocaine (ethyl aminobenzoate), a topical anesthetic widely used before
transesophageal echocardiography, has been reported to cause acquired …

The echocardiography was done in the surgical intensive care unit at approximately 6 PM
after DG was given 50 mg of meperidine and 2 mg of midazolam intravenously. Her pharynx …

Few health care professionals realize that topical anesthetic spray can cause
methemoglobinemia. We describe a 56-year-old woman who was transferred to our …

Topical benzocaine products are widely available over the counter for use in children,
commonly for the treatment of oral or teething pain. Most of the reported cases of acquired …