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Online Med Ed - Pediatrics > Allergies > Flashcards

Allergies Flashcards

1
Q

type I hypersensitivity

A

IGE mediated allergies

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2
Q

how allergies rxn occur?

A

exposure to trigger
mast cells cross link
mast cells degranulate
histamine release = rxn

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3
Q

anaphylaxis vs urticaria vs angioedema?

A

anaphylaxis: hives + hypotension(low BP) + wheezing

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4
Q

anaphylaxis dx

A

clinical

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5
Q

anaphylaxis tx

A

epinepherine 1:1000 IM

  • H1 and H2 blockers
  • steriods
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6
Q

urticaria rash

A

wheal
whelt
erythema
no hypotension = no anaphylaxis

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7
Q

t/f urticaria SL?

A

true

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8
Q

bite / sting? bee allergies? how tx

A

anaphylaxis: treat epi
not: remove pincer, topical

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9
Q

angioedema def

A

swelling, stridor,
recent ACEI use

*wont break out in hives, no hypotension

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10
Q

examples H1 and H2 blockers

A

H1: diphenhydramine (benadryl), fexofinadine (allegra), cetirizine (zyrtec)

H2: Ranitidine (zantac), Famotidine, Nizatadine, Cimetidine

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11
Q

chronic allergic rhinitis nasal polyps

A

pale boggy mucosa

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12
Q

when is allergic skin testing necessary

A

only when refractory to the therapy or want to do desensitization therapy

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13
Q

allergic rhinitis tx

A

H1, H2 blockers

intranasal steriods #1

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14
Q

pediatric allergy med?

A

zyrtec (cetirizine) have to be 2+

allegra (fexofinidine) suspension safe 6 months

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15
Q

typical allergens that cause anaphylaxis

A

nuts, shellfish

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16
Q

food allergy sx

A

N/V/D

eczema, atopic dermatitis, asthma

17
Q

baby allergic to food? dx

A

food trial reintroduce foods one at a time

18
Q

milk protein allergy is from..

A

soy formula

19
Q

sx milk protein allergy

A

blood bm with N/V/D

20
Q

sx milk protein allergy

A

blood bm with N/V/D

despite adequate feeds, FTT as well

21
Q

milk protein allergy dx

A

clinical

22
Q

tx milk protein allergy

A

change formula: use cows milk, breast feed, or hydrolyzed formula

Online Med Ed - Pediatrics (16 decks)

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