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CR - Asthma (i) (Intro (neural hyperresponsiveness (irritation) - cough…
CR - Asthma (i)
Intro
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mucosal inflamm (narrowed airway) - loss of epithelium ("remodelling") - increased mucus + bronchoconstriction
eosinophils, mast cells, Th2 (produce IL4,5,9,13)
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affects 15% of children, 10% of adults
high incidence in Europe, low in Asia
immune dysregulation given by pollution, allergens, viruses (esp rhinovirus, RSV, influenza)
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strong link with atopy - rhinitis, eczema, allergy
CLASSIC TRIAD = wheeze, dyspnoea, non-productive cough
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Tx
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bronchodilators
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SEs = tremor, palpitations + muscle cramps
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