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Hypersensitivity - ✔✔1. Altered immune response to an antigen that results
in harm to the patient
2. Mild symptoms: runny nose, itchy eyes
3. Life-threatening - can cause blood hemolysis or laryngospasm
Anaphylaxis Triggers: - ✔✔1. Hormones - insulin, vasopressin
2. Enzymes: Trypsin, penicillinase
3. Pollen
4. Food
5. Vitamins
6. Insect venom
7. Occupational agents - rubber, latex
8. Abx
9. Local anesthetics
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, When are the nurses priorities when assessing a patient? - ✔✔ABC...
Airway
Breathing
Ciruclation
Treatment for Anaphylaxis - ✔✔1. Severe - IV epinephrine
2. Mild - IM or SQ Epinephrine
Type I Hypersensitivity - ✔✔1. Allergen binds w/ IgE
2. ^ complex binds w/ mast cells and basophils
Examples: allergic asthma, allergic rhinitis, hives
Type II Hypersensitivity - Cytotoxic hypersensitivity - ✔✔1. IgG or IgM
antibodies form against normal cells or foreign cells or tissues
Example: Hemolytic blood transfusion
Type III Hypersensitivity - Immune Complex-mediated hypersensitivity -
✔✔1. IgG or IgM antibody-antigen complex deposits in vessel walls and
tissues
Examples:
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