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THERMOREGULATION RNSG 1430 Health Care Concepts 1 Concept – THERMOREGULATION Concept Definition The body process that balances heat production and heat loss to maintain core body temperature within an optimal physiological range. Exemplars Environmental Exposure Hypothermia - Frost Bite, Infant Hyperthermia - Heat Stroke, Elderly Fever- Pedi Malignant Hyperthermia Objectives 1. Explain the concept of Thermoregulation (including definition, antecedents, and attributes). 2. Analyze conditions which place a patient at risk for alterations in thermoregulation. 3. Identify when an imbalance in thermoregulation (negative consequence) is developing or has developed. 4. Discuss exemplars of common thermoregulation disorders. 5. Apply the nursing process (including collaborative interventions) for individuals across the life span experiencing alterations in thermoregulation. Assignments Prior to class: 1. Review definitions of interrelated concepts on concept analysis diagram. 2. Review concept analysis diagram. 3. Review the role of the hypothalamus in temperature regulation. 4. Required assigned reading: *Page numbers, assignments, and other lecture information will be posted on Blackboard. Giddens, J.F. (2017). Concepts for nursing practice (2nd ed.). St. Louis. MO: Mosby Elsevier. Chapter 10: Concept Thermoregulation Lewis, S.L., Heitkemper, M.M., Dirksen, S.R., O’Brien, P.G., & Bucher, L. (2014). Medical surgical nursing (9th ed). St. Louis MO: Mosby Elsevier. Chapter 69: Heat Stroke, Frost Bite Chapter 19: Malignant Hyperthermia McKinney, E, James, S., Murray, S., Nelson, K., & Ashwill, J. (2013). Maternal-child nursing (4th ed). St. Louis: Elsevier Saunders. Chapter 21: Hypothermia, Infant Chapter 22: Hypothermia, Infant Chapter 37 : Fever, Pedi Yoost, B. L., & Crawford, L. R. (2015). Fundamentals of nursing: active learning for collaborative practice. St Louis MO: Mosby Elsevier. Chapter 19: Vital Signs 98 THERMOREGULATION Concept content outline: Concept: Thermoregulation Sub Concepts: Hypothermia/Hyperthermia very young and older adults Environmental Exposures Fever Antecedents: Hypothalamus functions normally to control body temperature Chemical thermogenesis occurs Normal sweat gland function Normal skeletal muscle function Sufficient blood flow Nonshivering thermogenesis accomplished by metabolism of brown fat in the newborn increasing metabolic activity in the brain, heart, and liver. Risk Factors: Age related changes Acute and chronic conditions Environmental, Recreational, Occupational exposures Medications Stress Underlying health conditions Trauma, Surgical procedures Assessment: Comprehensive history Physical and psychological clinical manifestations Diagnostic Exams: Laboratory, Radiology, and Procedural exams Positive Outcomes: Adequate nutritional and fluid status Adaption to the environment Absence of infectious organisms Negative Outcomes: Cardiovascular collapse Nervous system damage Dehydration and hyponatremia Peripheral tissue ischemia Loss of digits Clinical Management: Nursing interventions Collaborative interventions Pharmacological therapy Procedural therapies Diagnostic studies Exemplars: Hypothermia – Frost Bite, Infant Hyperthermia – Heat Stroke, Elderly Fever Malignant Hyperthermia 99