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Henriette Matthews

on 21 March 2014

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Transcript of Asthma

High prevalence (~15% of NZ population)
Low mortality (<5% of deaths)
High economic cost
A chronic inflammatory disorder of the airways
Variable airway obstruction - reversible
Familial disorder
Atopic individuals - childhood onset
Hypersensitivity increases chances of development of asthma
Respiratory tract infections increase risk
Who develops asthma?
What triggers an attack?
Air pollutants
Occupational factors
Respiratory infections
Nasal and sinus problems
Drugs and food additives
Gastro-oesophageal reflux disease
Psychological factors
Changes in airways
Also refer to fig 25-3
Evaluation and treatment
Spirometry in adults - sophisticated
Peak flow meters used for home management
Avoidance of allergen if known
Long-term management
Full transcript