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Initial first aid rendered at the scene of a fire includes preventing further injury through heat exposure. which intervention could contribute to tissue hypoxia and necrosis and therefore should be avoided?

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Applying ice to a fire victim leads to tissue hypoxia and necrosis because it will change the skin's temperature too fast and may cause frostbite.  The burn could have had removed a layer of skin, leaving the fragile tissue exposed which will be more sensitive to the ice.
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