Asthma Classification Flashcards
Frequency of symptoms in intermittent asthma
≤ 2 days / week
Frequency of symptoms in persistent-mild asthma
> 2 days / week
Frequency of symptoms in persistent-moderate asthma
Daily
Frequency of symptoms in persistent-severe asthma
Throughout the day
Nighttime awakenings in intermittent asthma
≤ 2 times / month
Nighttime awakenings in persistent-mild asthma
3-4 times / month
Nighttime awakenings in persistent-moderate asthma
> 1 time / week
Nighttime awakenings in persistent-severe asthma
Often 7 times / week
Short-acting beta2 agonist use in intermittent asthma
≤ 2 days / week
Short-acting beta2 agonist use in persistent-mild asthma
> 2 days / week, but not daily and < 1 time /day
Short acting beta2 agonist use in persistent-moderate asthma
Daily
Short acting beta2 agonist use in persistent-severe asthma
Several times a day
Interference with normal activity in intermittent asthma
None
Interference with normal activity in persistent-mild asthma
Minor
Interference with normal activity in persistent-moderate asthma
Some limitation
Interference with normal activity in persistent-severe asthma
Extremely limited
Lung function in intermittent asthma
FEV1 normal between exacerbation, FEV1 > 80% of predicted, FEV1/FVC normal
Lung function in persistent-mild asthma
FEV1 > 80% of predicted, FEV1/FVC normal
Lung function in persistent-moderate asthma
FEV1 > 60% to < 80% of predicted, FEV1/FVC reduced by 5%
Lung function in persistent-severe asthma
FEV1 < 60% of predicted, FEV1/FVC reduced by 5%
Exacerbations requiring oral steroids in intermittent asthma
0 or 1 a year
Exacerbations requiring oral steroids in persistent-mild asthma
≥ 2 / year
Exacerbations requiring oral steroids in persistent-moderate asthma
≥ 2 / year
Exacerbations requiring oral steroids in persistent-severe asthma
≥ 2 / year
