Allergy and Asthma

Question 1

What are exposures related to development of asthma

Answer 1

sufficient evidence of causal relationship = house dust mites
sufficient evidence of assocation = tobacco smoke
limited evidence of association = RSV

Question 2

What are exposures with exacerbation of asthma

Answer 2

sufficient w/ causal = house dust mite, cat dander, tobacco smoke
sufficient w/ association = dog dander, fungus/mold, rhinovirus, nitrous oxide
limited evidence = RSV, domestic birds, smoke, fragrances, air pollution

Question 3

What are signs and symptoms of asthma

Answer 3

Cough
short of breath
chest tightness
colds lasting longer than 10 days

Question 4

What is physical exam for asthma

Answer 4

Wheezing during normal breathing
prolonged expiratory phase
associate atopic dermatitis or eczema
Bronchospasm = early RR increase, chest go silent, late RR decrease

Question 5

What are other diagnoses of wheezing

Answer 5

allergic/infectious rhinitis
sinusitis
FB
pertussis
CF
GERD

Question 6

What is the prognosis for asthma

Answer 6

4% esoinophils

Question 7

Atopy definition

Answer 7

interaction between multiple genes and environmental factors

Question 8

What are reactions to food

Answer 8

Toxic - botulism, toxin ingestion

non-toxic - IgE and non-IgE; food intolerances

Question 9

What is food intolerance

Answer 9

reaction with to food not an allergy

Question 10

What is a true food allergy

Answer 10

Exposure to food
Sensitization
Re-exposure

Question 11

Outgrow allergies

Answer 11

Cow milk, egg, wheat, soy allergy - 70-85% tolerant by 3-5 yrs of age

Peanut, tree nut, fish, shellfish allergy - life-long