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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Cold shock response ： ウィキペディア英語版 Cold shock response Cold shock response is the physiological response of organisms to sudden cold, especially cold water. ==Myth of sudden hypothermia== In humans, cold shock response is perhaps the most common cause of death from immersion in very cold water,〔 such as by falling through thin ice. The immediate shock of the cold causes involuntary inhalation, which if underwater can result in drowning. The cold water can also cause heart attack due to vasoconstriction; the heart has to work harder to pump the same volume of blood throughout the body. For people with heart disease, this additional workload can cause the heart to go into arrest. Inhalation of water (and thus drowning) may result from hyperventilation. Some people, due to body or mental conditioning, are much better able to survive swimming in very cold water. Hypothermia from exposure to cold water is not as sudden as is often believed. A person who survives the initial minute of trauma (after falling into icy water), can survive for at least thirty minutes〔(【引用サイトリンク】 title =A physiological trip through cold water exposure )〕 provided they don't drown. However, the ability to perform useful work (for example to save oneself) declines substantially after ten minutes (as the body protectively cuts off blood flow to "non-essential" muscles). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Cold shock response」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.