Term
| What is the first type of allergic response? |
|
Definition
| Type 1 - anaphylaxis w/ ECF release |
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|
Term
| What is IgE Ab often seen with? |
|
Definition
|
|
Term
| What is type IV allergic rxn? |
|
Definition
| sensitized lymphocytes (T-cells) contact antigens |
|
|
Term
| What is the slow allergic rxn? |
|
Definition
|
|
Term
| What type of allergic rxn occurs in minutes to hours? |
|
Definition
|
|
Term
| What is contact dermatitis? |
|
Definition
| common immunological dx due to contact with foreign substances |
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|
Term
| What is irritant conact dermatitis? |
|
Definition
| A common, fast acting reponse to contact with damaging foreign substances |
|
|
Term
| Who is more prone to irritant contact dermatitis? |
|
Definition
|
|
Term
| Where is irritant contact dermatitis most often seen? |
|
Definition
|
|
Term
| What are common s/sx of contact dermatitis? |
|
Definition
| erythema, edema, dry skin w/ a scalded appearance |
|
|
Term
| Is there a diagnostic test for irritant contact dermatitis? |
|
Definition
| no, so diagnosis is through ruling out other dz via ddx and examing pt hx for known irritants |
|
|
Term
| How is irritant contact dermatitis treated? |
|
Definition
petroleum jelly, skin cleansers, gentle soaps
avoid alcohol based products, solvents or abrasive
no topical steroids!! |
|
|
Term
| Where should topical steriods be avoided? |
|
Definition
| irritant contact dermatitis |
|
|
Term
| Where can aquanil and cetaphil be used? |
|
Definition
| as a gentle cleanser for irritant contact dermatitis |
|
|
Term
| What is allergic contact dermatitis? |
|
Definition
| a cell mediated immunity response due to previous sensitization |
|
|
Term
| What is the timeframe for allergic contact dermatitis? |
|
Definition
|
|
Term
| What is the latency period? |
|
Definition
| the time between first contact with an allergen, and the time when subsequent exposure would trigger Ab attack |
|
|
Term
| What is an important sx of allergic contact dermatitis? |
|
Definition
|
|
Term
| What are some medications that can cause allergic contact dermatitis? |
|
Definition
antazoline
neomycin
phenylephrine
atropine
pilocarpin
anti-glc drugs |
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|
Term
|
Definition
|
|
Term
| What are positive signs of a skin patch test? |
|
Definition
| erythema, papules, edema, vesicles |
|
|
Term
| What is the tx for allergic contact dermatitis? |
|
Definition
| remove allergen, cold compresses 6x/day, topical steroid, oral antihistamine, lubricants, topical immunomodulator BID |
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|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| What is atopic dermatitis also called? |
|
Definition
|
|
Term
| What is the onset of atopic dermatitis? |
|
Definition
|
|
Term
| What is the most common skin dx in children |
|
Definition
|
|
Term
| How is atopic dermatitis acquired? |
|
Definition
| genetic, often seen with other atopic conditions |
|
|
Term
| What is very inflamed and itchy skin a sx of? |
|
Definition
|
|
Term
| Where is atopic dermatitis often seen? |
|
Definition
| face (cheeks in particular), scalp, knees |
|
|
Term
| How would you describe a rash in atopic dermatitis? |
|
Definition
| exudative with fine scales, also vesicular to maculopapular |
|
|
Term
| Where can hypo or hyper pigementation be seen? |
|
Definition
|
|
Term
| What is the most common location for atopic dermatitis in older pts? |
|
Definition
| elbows, neck, back of knees, ankles |
|
|
Term
| What re common secondary infections in atopic dermatitis? |
|
Definition
|
|
Term
| What viri are atopic dermatitis pt's susceptible to? |
|
Definition
| vaccinia, herpes simplex, molluscum contagiosum |
|
|
Term
| What is the tx for atopic dermatitis? |
|
Definition
| petroleum jelly, topical steroid, oral antihistamine, topical AB, topical immunomodulator |
|
|
Term
| What are some non medical consideratoins for tx of atopic dermatitis? |
|
Definition
| clothing, cool temperature, humidifier |
|
|
Term
|
Definition
|
|
Term
| What % of urticaria has an identifiable cause? |
|
Definition
|
|
Term
| What causes acute urticaria? |
|
Definition
|
|
Term
| what causes chronic urticaria? |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| dilation and increased permeability of BV in the deep dermis |
|
|
Term
| Is pruritis seen with angioedema? |
|
Definition
|
|
Term
| What can induce respiratory distress? |
|
Definition
| angioedema due to upper airway edema |
|
|
Term
| Where are extensive edematous areas seen? |
|
Definition
|
|
Term
| What is the ddx of urticaria and angioedema? |
|
Definition
| contact dermatitis, make sure that the edema is not renal or cardiac related |
|
|
Term
| What is the tx for urticaria? |
|
Definition
| cold compresses, anti-histamine, systemic steroids, epinephrine for acute pharyngeal or laryngeal angioedema |
|
|
Term
| How is acute pharyngeal and laryngeal angioedema treated? |
|
Definition
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