[asthma] Flashcards
asthma is reversible (reccurent episodes)
bronchial muscle contraction
mucosal swelling
increased mucus production
mast cell + basophil degranulation
release of inflammatory mediators
cough
wheeze
sputum production (yellow - eosinophils)
dyspnoea
cold air
pollution/smoking allergens NSAIDs B-blockers emotion
NSAIDs
B-blockers
morning
house dust mites
fur
pollen
Acid reflux
better at weekends
widespread polyphonic wheeze
tachypnoea
wheeze
hyperinflated chest
hyperresonance
COPD Pulmonary oedema bronchiectasis obliterative bronchiolitis airway obstruction pneumothorax PE
adult onset asthma
eosinophilia
vasculitis
Lungs
heart
Nerves
skin
eczema
hayfever
allergies
normal or slightly reduced PaO2
Reduced PaCO2
hyperventilation
Raised PaCO2
ITU transfer
loss of respiratory drive
allergic bronchopulmonary aspergillosis
Aspergillus Fumigatus fungi causes allergic reaction –> bronchocontriction –> permanent damage
transfer to ICU for ventilatory support
polyarteritis nodosa
Churg-Strauss
Skin prick tests
affected nights per week
peak flow
2 x per day
5
[asthma]: chronic Mx: what drug may be used at any time as a ‘rescue’ drug regardless of the step that you are on?
prednisolone
short acting B2 agonist (salbutumol)
night time symptoms
more than once daily
Inhaled corticosteroid (beclometasone)
Long acting B2 agonist (salmeterol)