Respiratory Flashcards
Infrequent intermittent asthma
Symptom-free for at least 6 weeks at a time (flare-upsup to once every 6 weeks on average but no symptoms betweenflare-ups)
Frequent intermittent asthma
Flare-upsmore than once every 6 weeks on average but no symptoms betweenflare-ups
Mild persistent asthma
At least one of:
Daytime symptomsmore than once / week
Night time symptoms >2x/month
Moderate persistent asthma
Any of:
Daytime symptomsdaily
Night-time symptoms >1x/week
Symptoms sometimes restrict activity or sleep
Sever persistent asthma
Any of:
Daytime symptoms continual
Night-time symptomsfrequent
Flare-upsfrequent
Symptoms frequently restrict activity or sleep
Restrictive lung disease pft
Total lung capacity <80% or <5th centile
Fev1/fvc ratio >85%
Obstruction
Ratio <70% or <5th percentile
Severity
Mild >70 Moderate >60 Mod severe >50 Severe >35 Very severe 0-35
Air trapping
High RV/TLC ratio