NURS 2090 Lecture Notes - Fluid Balance, Respect Diversity, Homeostasis
16 Apr 2013
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Document Summary
Pathophysiology is the study of the functional changes that occur in the body as a result of an injury, disorder, or disease (the mechanisms of disease) Pathology is the study of changes in cells and tissues as a result of injury or disease. Physiology studies the mechanisms of human body functioning. Pathogenesis: origination and development at the point of disease onset. when the disease process first begins to the point where the actual disease presents itself. Disease: functional impairment of cells, tissues, organs or organ systems. Local: directly at the site of disease, confined to one area. Acute: begin abruptly and for a short time, cycles. Chronic: last 6 months or more and are gradual. Subacute: between acute and chronic in duration and severity. Etiology: precise cause of the disease (pathogen; multifactorial) Nosocomial: exposure to infection in the health care environment. Iatrogenic: disease as a result of medical treatment. Clinical manifestations: signs, symptoms and precipitating factors of disease.
