Saudi Journal of Anaesthesia Saudi Journal of Anaesthesia
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CASE REPORT
Year : 2010  |  Volume : 4  |  Issue : 3  |  Page : 205-206

Masseter muscle rigidity: Atypical malignant hyperthermia presentation or isolated event?


Department of Anaesthesia, University of Nigeria Teaching Hospital, Ituku-Ozalla, Enugu, Nigeria

Correspondence Address:
Tonia C. U. Onyeka
Department of Anaesthesia, University of Nigeria Teaching Hospital, Ituku-Ozalla, Enugu, Enugu State
Nigeria
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DOI: 10.4103/1658-354X.71580

PMID: 21189861

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This report describes a case of masseter muscle rigidity encountered at the start of an elective gynaecological procedure. At preoperative assessment, the patient, a 41-year old woman with a previous non-eventful surgical and anesthetic history was given a Mallampati score of 3. Following suxamethonium administration, full mouth opening proved difficult. Laryngoscopy and tracheal intubation were not possible leading to the eventual use of a laryngeal mask airway and resulting in a successful anaesthetic outcome. A number of possibilities that may account for this situation as well as viable options for airway access in such cases are discussed below.


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