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Questions and Answers
Qual é a causa da reação alérgica conhecida como choque anafilático?
Qual é a causa da reação alérgica conhecida como choque anafilático?
- Exposição a um antÃgeno através de alimentos contaminados
- Exposição a um antÃgeno pela primeira vez
- Exposição a um antÃgeno pela segunda vez (correct)
- Exposição a um antÃgeno durante um tratamento médico
True or false: Anaphylactic shock is a reaction that occurs after the first exposure to an antigen.
True or false: Anaphylactic shock is a reaction that occurs after the first exposure to an antigen.
False (B)
Quais são os sintomas locais do choque anafilático?
Quais são os sintomas locais do choque anafilático?
- Náusea e vômito
- Falta de ar e tontura
- Edema larÃngeo e broncoespasmo
- Vermelhidão na pele, urticária e coceira (correct)
True or false: Local symptoms of anaphylactic shock include skin redness, hives, and itching.
True or false: Local symptoms of anaphylactic shock include skin redness, hives, and itching.
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Como o broncoespasmo pode ser tratado durante um episódio de choque anafilático?
Como o broncoespasmo pode ser tratado durante um episódio de choque anafilático?
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True or false: Papules represent a life-threatening symptom of anaphylactic shock.
True or false: Papules represent a life-threatening symptom of anaphylactic shock.
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Study Notes
- Anaphylactic shock is an allergic reaction that occurs after a second exposure to an antigen.
- The body releases specific antibodies that bind to the antigen and cause the release of autacoids.
- Autacoids cause vascular and cellular changes that can vary in severity.
- Local symptoms include skin redness, hives, and itching.
- Generalized symptoms include laryngeal edema and bronchospasm, which can be life-threatening.
- Immediate cutaneous reaction can be treated with promethazine 50mg IM.
- Bronchospasm can be treated with epinephrine 1:1000 every 5-10 min until crisis ceases, followed by hydrocortisone 100mg and promethazine 50mg (IM or IV).
- Papules usually do not represent a threat to the patient's life.
- Treatment should be given until medical help arrives.
- Anaphylactic shock can be prevented by avoiding the allergen.
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