Asthma Flashcards
1
Q
Asthma may be diagnosed if any of the following criteria are met (in adults)
A
An exhaled FeNO of 40 parts per billion or greater
A post-bronchodilator improvement in lung volume of 200 ml
A post-bronchodilator improvement in FEV1 of 12% or more
A peak expiratory flow rate variability of 20% or more
An FEV1/FVC ratio <70% (it is an obstructive lung disease)
