Please enable JavaScript.
Coggle requires JavaScript to display documents.
Asthma - Coggle Diagram
Asthma
Life threatening asthma
PEFR <33%
Hypoxia <92%
Hypercapnia
Hypotension
Altered neurological state
Silent Chest
Arrythmia
Definition
Obstructive
FEV1/FVC ratio <65%
FEV1 <70%
Reversible
FEV1 >12% from baseline with bronchodilation
Diurnal variation
Chronic Atopy
eczema
allergic rhinitis
Management
Medical
Beta 2 agonists
Anticholinergics
Steroids
Magnesium
Theophylline
Heliox
Dynamic hyperinflation
Measure instrinsic PEEP
Low PEEP <80% intrinsic PEEP
Prolonged expiratory time
Controlled hypoventilation
Permissive hypercapnoeia
Adjunctive
Ketamine
Volatiles eg sevoflurane
VV ECMO
Pathophysiology
Chronic airway inflammation
Smooth muscle hypertrophy
Goblet cell hypertrophy
Risk factors for severity
Previous life threatening attack
HOspital admission <1 year ago
Three or more asthma medications
Heavy beta-agonist use
'Brittle asthma
Type 1 = wide PEFR variability
Type 2 = sudden sever attacks despite appearing well controlled
Adverse psycho-social circumstances