1 - Paeds - Resp - Asthma - Background, Hx + Ex Flashcards Preview

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Flashcards in 1 - Paeds - Resp - Asthma - Background, Hx + Ex Deck (12):
1

how common is asthma? important cause of ..? 3 things - how many deaths per year?

most common - 15-20% children affected
school absence, restricted activity, anxiety
20 p year

2

why is diagnosis difficult

~1/2 children have wheeze at some point in first 3 y

3

what are the 2 wheeze patterns?

transient early wheezing

persistent and recurrent wheezing

4

transient early wheezing - ass w? what happens? 2 features?

virsues eg cold -
small airways narrow and obstruct due to inflam and imm response to viral infection

episodic in nature, often have decreased lung function from birth

5

transient early wheezing - RFs ? prognosis?

maternal SMx (during and after preg), prematurity, male

usually fine after 5y

6

persistent and recurrent wheezing - ass w? triggered by? recurrent wheezing due to this is called?

ass w presence of IgE v common inhaled allergens eg house dust mites, pollen, pets

trig by many stimuli

recurrent wheezing due to this is called atopic asthma

7

atopic asthma features

atopy - ezema, food allergy, hayfever, risk increases w FHx
persistent Sx and dec lung function

8

when to suspect asthma? what are you looking for specifically?

wheeze on more than one occasion - wheeze - polyphonic noise due to abnormal narrowing of airways when breathing out

9

Key features to look for in a history?

Sx worse at night and early morning
Sx could be triggered - exercise, pets, dust, cold air
interval Sx
personal/FHx of atopy
+ve response to asthma therapy

10

O/E of chest what would you expect to find if not in acute attack?

usually normal
long standing? may get hyperinflation, gen polyphonic exp wheeze, prolonged exp phase

11

what are harrison sulci and what may they be caused by?

depressions at base of thorax - if onset of disease in early childhood

12

what suggests chronic infective condition? eg?

CF/bronchiectasis
wet cough/sputum production, clubbing, poor growth

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