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On Mon, 19 Apr 2004 15:48:54 +0200, Florian Anwander
wrote: So a "re-warmer" tool will belong to the medical equipment of a rescue team. My fear is that this will be covered by the hospital related patent. The other device is for cooling down a patient. In my earlier post for the rec.backcountry thread on this topic, I explained why heating and cooling will not work the same due to physiology. This essentially means you can take the person out of hypothermia in about 20 min. I always thought that rewarming hypothermic persons too fast causes severe problems; example ventricular fibrillation by the "Afterdrop" (I am not sure it is the right word; in German it is called "Ploetzlicher Bergungstod" which could be translated as "Sudden Rescue Death"). Not that simple. Although your English is much better than my German, the terms you used make sense. Too rapid rewarming of a hypothermia victim will cause a variety of medical problems including heart arrythmias. Because medications do not work the same at all body temperatures, handling heart issues in someone being rewarmed makes a regular cardiac arrest seem like kindergarten. Also later in that thread, I had mentioned the issue of the hypothermia patient temporarily losing some ability to manage their temperature, and overheating them could put them into heat stroke. The normal techniques are to gently rewarm them at a controlled rate, monitoring various vitals. 20 minutes? Might as well put them in a giant microwave oven. Happy trails, Gary (net.yogi.bear) ------------------------------------------------ at the 51st percentile of ursine intelligence Gary D. Schwartz, Needham, MA, USA Please reply to: garyDOTschwartzATpoboxDOTcom |
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