Given the recent heat wave in Toronto, morning report was aptly about a case of heat stroke today. As we discussed today, the most important causes of severe hyperthermia (greater than 40ºC) are heat stroke, neuroleptic malignant syndrome, thyroid strom, and malignant hyperthermia.
Heat stroke is diagnosed based on history, physical examination and the context in which symptoms developed (eg, high temperature and no air conditioner). Diagnostic studies are nonspecific. Heat stroke can cause cardiovascular, renal, or hepatic dysfunction or coagulopathy.
The management of heat stroke consists of ABC, rapid cooling, and treatment of complications.
Here is a recent review of the topic.
Heat-related illness. Becker JA, Stewart LK. Am Fam Physician. 83(11):1325-30
http://www.ncbi.nlm.nih.gov.myaccess.library.utoronto.ca/pubmed/21661715
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