Posts Tagged ‘Pulse oximetry

Dental Anesthesia Management

Methemoglobinemia is an uncommon but potentially serious adverse reaction to many local anesthetics and other substances. Careful review of medical and dental histories can often uncover patients who are sensitive to agents with the potential of causing methemoglobinemia. This case report is a review of the literature and demonstrates the management of methe-moglobinemia-susceptible patients.

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Dental Anesthesia Management DISCUSSION

Methemoglobinemia occurs when iron atoms in hemoglobin molecules are oxidized from their normal ferrous (Fe++) to a nonfunctional ferric (Fe+++) state, resulting in reduced oxygen delivery to the tissue level. Methe-moglobin (MetHb) is normally present in human blood at levels less than 1-2%. In normal patients, its rapid reduction back to hemoglobin is […]


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Blog invites submissions of review articles, reports on clinical techniques, case reports, conference summaries, and articles of opinion pertinent to the control of pain and anxiety in dentistry.