12 - Asthma Flashcards
atopy
allergic rhinitis, eczema, asthma is classic triad
food allergies also common
basically just allergic prone phenotype
relationship btwn aspirin allergy and asthma
pts w/ aspirin allergy often have intrinsic asthma and nasal polyps
infectious triggers/inducers of asthma
childhood RSV
mycoplasma
chlamydia
viral URIs in general
occupational substances that are linked to asthma
TDI (toluene di isocyanate)
TMI - tri metallic anhydride
organic dusts
animal/lab handlers, welders
asthma is sometimes linked to what vasculitis
Churg Strauss
what measurement indicates that asthma has worsened enough to require change in meds?
> 20% reduction in peak expiratory flow rate
steps of asthma treatment
1 - SABA prn 2 - low dose ICS 3 - LABA 4 - inc ICS dose 5 - inc ICS dose 6 - oral corticosteroid
why dont you use LABA as monotherapy in asthma?
tachyphylaxis
SEs of beta agonists
tremor
tachycardia and arrhythmias
hypoxemia
hypokalemia