ch05 - Chapter5 AllergiesandAnaphylaxis Topics...

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    Chapter 5 Allergies and Anaphylaxis
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    Topics Pathophysiology Assessment Findings in Anaphylaxis Management of Anaphylaxis Assessment Findings in Allergic  Reaction Management of Allergic Reactions Patient Education
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    Allergies and Anaphylaxis* Allergic Reaction An exaggerated response by the immune system  to a foreign substance Anaphylaxis “Phylaxis” means protection. Anaphylaxis means  the opposite. An unusual or exaggerated allergic reaction A life-threatening emergency, killing apprximately  400-800 people in the U.S. every year
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    Pathophysiology  (1 of 2) The Immune System Pathogens - Disease-producing agent or invading  substances. Usuallu a protein. Toxins - any poisonous chemincal produced by  bacteria or released following destruction of the  bacteria Cellular Immunity Humoral Immunity Antibodies (Immunoglobulins) – IgA, IgD, IgE, IgG, IgM
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    Cellular Immunity Specialized immune system cells  directly attack invading substances and  destroy them via engulfment or by  rendering them inactive.
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    Humoral Immunity Complex immune system mechanism that  utilizes chemical agents (called antibodies or  immunogloblubulins) to attack invading  substances Antibodies are manufactured by “ B- Lymphocytes” in response to the recognition  of specific invading substances Consists of a primary (slower, generalized, less  effective) and a secondary (faster, specified, more  effective) response.
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    Pathophysiology  (2 of 2) Immune Response Exposure to antigen produces primary response with  general antibodies. Immune system develops antigen-specific antibodies and 
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ch05 - Chapter5 AllergiesandAnaphylaxis Topics...

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