Allergic Reaction Flashcards

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1
Q

Allergic Reaction

A

exaggerated immune response

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2
Q

Allergen

A

something that causes an allergic reaction

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3
Q

Anaphylaxis

A

Anaphylaxis shock
severe or life-threatening allergic reaction in which the blood vessels dilate, causing a drop in blood pressure, and the tissues lining the respiratory system swell, interfering with the airway

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4
Q

Hives

A

red, itchy, possibly raised blotches on the skin that often result from allergic reactions

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5
Q

Signs and Symptoms of Allergic reaction or Anaphylactic shock

A

Skin: itchy, hives, flush, swelling of the face, neck, hands, feet or tongue, warm tingling feelings
Respiratory: feeling tightness in throat/chest, cough, rapid breathing, labored breathing, hoarseness muffled voice, stridor, wheezing
Cardiac: increased heart rate, decreased BP
Generalized: itchy, watery eyes, headache, runny nose

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6
Q

Signs and Symptoms of Shock

A

Altered mental status
Flushed, dry skin or pale, cool clammy skin
Nausea or vomiting
Changes in Vital signs; increased pulse, increased respirations, Decreased BP

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7
Q

Anaphylaxis vs. mild allergic reaction

A

To be considered a severe allergic reaction, or anaphylaxis, the patient must have either respiratory distress or signs and symptoms of shock

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8
Q

Epinephrine

A

hormone produced by the body. as a medication, it constricts blood vessels and dilates respiratory passages and is used to relieve severe allergic reactions

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