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Allergies/anaphylaxi
Question | Answer |
---|---|
An exaggerated response by the immune sys to a foreign substance. | Allergic Reaction. |
An unusual or exaggerated allergic reaction. Life threatening emergency. | Anaphylaxis. |
Immune response | Exposure to antigen produces primary response with general antibodies. Immune system develops antigen-specific antibodies and memory future exposures generate faster secondary response. |
Exposure generates secondary response. Large amounts of IgE are released. Allegan binds to IgE causing chemical release. Histamine causes bronchoconstriction, vasodilation, increased vascular permeability. | The allergic reaction. |
Mostly caused by injection. Algerian rapidly distributed throughout the body resulting in excessive histamine release. Penicillin injections and insect stings. Facial or laryngeal edema. Abnormal breath sounds. V/S deterioration as reaction progresses. | Anaphylaxis. |
Meds used for allergic reaction involving SOB&Rash | Benadryl Epi 1:1,000 0.3-0.5 mg Sub Q. Epi is first drug when pt has SOB. |
Management of anaphylaxis. | Protect Airway.Airway adjuncts with care. Intubate early in severe cases to prevent total occlusion of Airway. Be prepared to place surgical airway. Support breathing. IV. Crystaloid solution. 2nd IV if needed. Oxygen. Epi 1:10,000 0.3-0.5mg IV. Benadryl. |