age
Item
18-45 years of age
boolean
C0001779 (UMLS CUI [1])
asthma
Item
history of asthma
boolean
C0004096 (UMLS CUI [1])
fev1
Item
fev1 > 50% of predicted for their height, age, gender and race upon presentation to the ed
boolean
C0748133 (UMLS CUI [1])
no other cause of wheezing or shortness of breath
Item
no other cause of wheezing or shortness of breath except for asthma as determined by the investigator
boolean
C0043144 (UMLS CUI [1])
C0013404 (UMLS CUI [2])
glaucoma
Item
no history of glaucoma
boolean
C0017601 (UMLS CUI [1])
ipratropium or other anticholinergics
Item
no ipratropium or other anticholinergics within 6 hours of study
boolean
C0700580 (UMLS CUI [1])
C0242896 (UMLS CUI [2])
life-threatening asthma
Item
subjects who, in the investigator's opinion, have life-threatening asthma requiring emergent intervention precluding the ability to complete the treatments during the treatment period
boolean
C0004096 (UMLS CUI [1,1])
C2826244 (UMLS CUI [1,2])
C0013956 (UMLS CUI [2])
respiratory disease
Item
based upon history or physical exam in the ed orclinic, subjects with known or suspected cause of pulmonary symptoms other than asthma, such as copd, chf, pneumonia, pulmonary embolism, or angioedema
boolean
C0035204 (UMLS CUI [1])
sensitivity to levalbuterol or racemic albuterol
Item
subject with a known sensitivity to levalbuterol or racemic albuterol
boolean
C0020517 (UMLS CUI [1,1])
C0772501 (UMLS CUI [1,2])
C0020517 (UMLS CUI [2,1])
C2957898 (UMLS CUI [2,2])
smoking history
Item
known 20 pack year smoker
boolean
C1519384 (UMLS CUI [1])
C1277691 (UMLS CUI [2])
ipratropium
Item
use of ipratropium 6 hours prior to presenting to the ed
boolean
C0700580 (UMLS CUI [1,1])
C0040223 (UMLS CUI [1,2])
pregnancy
Item
subject who may be pregnant or is pregnant es evidenced by pregnancy test
boolean
C0032961 (UMLS CUI [1])
C0032976 (UMLS CUI [2])