PSYCH 2AP3 Lecture Notes - Lecture 6: Bronchial Hyperresponsiveness, Asthma, Salbutamol
13 Aug 2020
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Document Summary
Measurement of peak expiratory flow rate (pefr) is important in older children, but children aged under 6 years are unlikely to be able to use the peak flow meter effectively. B2 agonist via spacer e. g. salbutamol 2- 10 puffs depending on severity and increase the number of puffs if poor response. Good response: continue b2 agonist as needed (not exceeding 4 hourly), If poor response: arrange admission continue prednisolone for up to 3 days. It is hard to determine the cause of the wheeze in very young children because huge number of children develop wheeze in their younger years. 2 generalistic patterns of wheezing: transient early wheezing small airways being become narrow and obstructed due to inflammation after viral infection. Decreased lung function from birth due to premature or maternal smoking: persistent and recurrent wheezing, atopic asthma (ige assoc. Assoc with eczema, food allergy and hayfever: non atopic asthma. Genetics, atopy and environmental triggers cause: bronchial inflammation.
