Chapter 21 - Chapter 21: Burns Burn injuries remain the 2nd...

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Chapter 21: Burns Burn injuries remain the 2 nd leading cause of death in children under 12yrs of age and the 4 th overall cause of trauma death. Basic Types of Burns Thermal - causes damage by increasing the rate at which the molecules within an object move and collide w/each other. o Denature - alter the usual substance of something. o Jackson’s theory of thermal wounds- explanation of the physical effects of thermal burns. Zone of coagulation - most damaged area nearest heat source, characterized by clotted blood and thrombosed blood vessels. Zone of Stasis - area in a burn surrounding the zone of coagulation and that is characterized b decreased blood flow. Zone of Hyperemia - area peripheral to a burn that is characterized by increased blood flow. o 4 Response Phases to Burns 1. Emergent Phase - 1 st stage of the burn process that is characterized by a Catecholamine release and pain mediated reaction. 2. Fluid Shift Phase - 2 nd stage of the burn process in which there is a massive shift of fluid from the intravascular to the extravascular space. 3.
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Chapter 21 - Chapter 21: Burns Burn injuries remain the 2nd...

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