Lecture Day 2 Childhood Asthma Flashcards
What is the common cause of PICU admission
Asthma
Pathophysiology of asthma
Increased airway reactivity
Mucosal oedema / airway inflammation
Bronchoconstriction
Hyper-secretion of mucus
Common triggers
Dust mice Pets smoking cold wether exercise dust mold pollen
Hx
Improvement of correct Tx
Birth Hx: Preterm birth
Family Hx: atopy
Social Hx: smoking, poor housing, schooling (missed days)
How to diagnose in under 5’s
Has to be clinical observation as they can not do tests
- when child is over 5 then do tests to confirm diagnosis
Management of asthma
patient & parent education
avoid triggers
Tx ladder
Tx ladder under 5s
Step 1: Inhaled short-acting B2 agonist PRN
Step 2: Add inhaled steroid 200-400mcg/day
Step 3: Leukotriene receptor agonist (if under 2 go to step 4)
Step 4: refer to resp paed
Tx ladder 5-12
Step 1: Inhaled short-acting B2 agonist PRN
Step 2: Add inhaled steroid 200-400mcg/day
Step 3: add LABA
Step 4: ↑ steroid to 800mcg/day
Step 5: daily steroid tablet + refer resp paid
How to give inhaler
< 5 pMDI + spacer device
Good asthma control
No daytime symptoms No nocturnal symptoms No need for rescue treatment No exacerbations Normal exercise tolerance Normal lung function (PEFR > 80%)
What age is peak flow is suitable
When can follow instructions
How much oxygen can a nasal cannula provide?
2L
What is an acabella device? What is it used for?
aids moving sputum and losening sputum.
CF
Colour of spaces
To fit correctly around face, good seal.
Areochamber
blue, don’t need to fit