{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T22:44:52Z","timestamp":1777934692767,"version":"3.51.4"},"reference-count":56,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[2024,10,3]],"date-time":"2024-10-03T00:00:00Z","timestamp":1727913600000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Wilderness &amp; Environmental Medicine"],"published-print":{"date-parts":[[2024,12]]},"abstract":"<jats:p>We describe a case of severe accidental hypothermia of a kayaker with preserved consciousness and shivering despite a rectal temperature of 22.9\u00b0C following a 50-min immersion in 3\u00b0C water with an estimated core temperature cooling rate of 10.6\u00b0C\/h. Based on survival at sea prediction curves and cooling rates from physiology studies, cold water (eg, 0\u20135\u00b0C) immersion is expected to drop core temperature by 2 to 4\u00b0C\/h. Furthermore, accidental hypothermia classification systems predict that severely hypothermic patients are usually unconscious and not shivering. The patient in this report rewarmed rapidly at 3.6\u00b0C\/h with only minimally invasive measures and was discharged fully neurologically intact. In 41 similar cases of survival in moderate to severe hypothermia with core temperatures &lt;32\u00b0C due to cold water immersion, cold air exposure, or avalanche burial, mean cooling rates were 4.3\u00b13.3\u00b0C\/h (range 0.4\u201310.6\u00b0C\/h). Including the current patient, shivering was reported in only four cases. We found several other cases of rewarming from moderate to severe hypothermia with only minimally invasive measures. The current and summarized cases lead us to conclude that patients may be at risk of severe hypothermia in &lt;60 min of cold water immersion and that it is possible for severely hypothermic patients to have preserved consciousness, close to normal vital signs, and shivering. Minimally invasive or noninvasive rewarming of patients with severe hypothermia is also possible, especially in those who continue to shiver. Hypothermia management should not necessarily be guided by classification systems or core temperature alone but rather by a careful consideration of the entire clinical picture.<\/jats:p>","DOI":"10.1177\/10806032241272127","type":"journal-article","created":{"date-parts":[[2024,10,4]],"date-time":"2024-10-04T10:50:08Z","timestamp":1728039008000},"page":"450-461","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":3,"title":["Case Study of Severe Accidental Hypothermia with Rapid Cooling, Preserved Shivering, and Consciousness with a Summary of Similar Case Reports"],"prefix":"10.1177","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0009-0007-3440-9882","authenticated-orcid":false,"given":"Alana C.","family":"Hawley","sequence":"first","affiliation":[{"name":"Department of Emergency Medicine, University of British Columbia, Penticton, Canada;"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gordon 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