surgical procedures and management

Apr 15th, 2015
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Anatomy & Physiologyof the Skin LayersEpidermisDermisSubcutaneousUnderlyingStructuresFasciaNervesTendonsLigamentsMusclesOrgansAnatomy & Physiologyof the Skin Functions of the Skin Protection from infection Sensory organ Temperature Touch PainControls loss and movement of fluidsTemperature regulationInsulation from traumaFlexible to accommodate free body movementPathophysiology of Burns Types of BurnsThermalElectricalChemicalRadiationThermal Burns Heat changes the molecular structure oftissue Denaturing (of proteins) Extent of burn damage depends on Temperature of agent Concentration of heat Duration of contactThermal Burns Jacksons Theory of Thermal Wounds Zone of Coagulation Area in a burn nearest the heat source that suffersthe most damage as evidenced by clotted blood andthrombosed blood vessels Zone of Stasis Area surrounding zone of coagulation characterizedby decreased blood flow. Zone of Hyperemia Peripheral area around burn that has an increasedblood flow.Jacksons Theory ofThermal WoundsZone of HyperemiaZone of StasisZone of CoagulationBodys Response to Burns Emergent Phase (Stage 1) Pain response Catecholamine release Tachycardia, Tachypnea, Mild Hypertension, Mild Anxiety Fluid Shift Phase (Stage 2) Length 18-24 hours

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