16 - Critical Care - WJD 2011 handouts

16 - Critical Care - WJD 2011 handouts - HUN4445 Objectives...

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Unformatted text preview: HUN4445 Objectives Describe the metabolic changes that occur in response to trauma and metabolic stress Discuss the implications of these changes for nutrition assessment Discuss the nutritional management of the trauma patient Critical Care Situations Severe infection (sepsis) Motor vehicle accident (MVA) victims with serious injuries Burn victims Gunshot or stab wounds Multiple injuries from accidents of any sort Critical Care Situations CS, a 20 yowm, is brought to the ER following a MVA. The accident resulted in severe trauma to his chest and abdomen. His BP is 85/50. What are the implications of his low blood pressure? Initial Response to Trauma Rapid loss of fluid, electrolytes and blood causing hypovolemia Hypovolemia causes decreased perfusion of organs and cells resulting in anoxia of organs and cells resulting in anoxia, organ ischemia and failure Cells convert to anaerobic glycolysis and lactic acid accumulates. Response to Stress Hypovolemic Hypovolemic Shock Shock - Ebb Phase Ebb Phase Decreased cardiac output Decreased O consumption Decreased O 2 consumption Decreased blood pressure Decreased body temperature Decreased insulin:glucagon ratio Vasopressin Gould B. Pathophysiology for the Health-Related Professions. Phila: WB Saunders, 1997 Vasopressin Vasopressin Mahan & Escott Mahan & Escott-Stump. Krauses Food, Nutrition and Diet Therapy WB Saunders, 2004. Stump. Krauses Food, Nutrition and Diet Therapy WB Saunders, 2004....
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This note was uploaded on 12/09/2011 for the course HUN 4445 taught by Professor Sitren during the Spring '08 term at University of Florida.

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16 - Critical Care - WJD 2011 handouts - HUN4445 Objectives...

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