A recent report from the North American Malignant Hyperthermia Registry of the Malignant Hyperthermia Association of the United States (MHAUS) analyzed outcomes from malignant hyperthermia (MH) episodes over a recent six-year period (2007-12) compared to a previous cohort (1987-2006). According to this report, which of the following statements is most likely true?

MH is a well-studied disease with a specific antidote. ASA temperature monitoring standards require temperature monitoring “for every patient receiving anesthesia … when clinically significant changes in body temperature are intended, anticipated or suspected.” Given the increase in preparedness and understanding of MH over the past several years, it could be expected that the risk of dying from the disorder would be decreasing. A recent report from the MHAUS North American Malignant Hyperthermia Registry reviewed MH events. The MH event reports were analyzed to update rates of...

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