Age
Item
2-17 years of age
boolean
C0001779 (UMLS CUI [1])
diagnosis of asthma/reactive airways/viral wheeze, defined as this diagnosis made by a physician and at least one prior acute episode of wheezing with cough or dyspnea treated with inhaled ß2 agonists or oral corticosteroids
Item
diagnosis of asthma/reactive airways/viral wheeze, defined as this diagnosis made by a physician and at least one prior acute episode of wheezing with cough or dyspnea treated with inhaled ß2 agonists or oral corticosteroids.
boolean
C0043144 (UMLS CUI [1])
C3714497 (UMLS CUI [2])
C0004096 (UMLS CUI [3])
persistent moderate to severe airway obstruction after 3 doses of salbutamol and ipratropium, defined as a pram 5 or higher.
Item
persistent moderate to severe airway obstruction after 3 doses of salbutamol and ipratropium, defined as a pram 5 or higher.
boolean
C0001883 (UMLS CUI [1])
C0717386 (UMLS CUI [2])
no previous history of wheezing or bronchodilator therapy
Item
no previous history of wheezing or bronchodilator therapy.
boolean
C0043144 (UMLS CUI [1])
C0262926 (UMLS CUI [2])
C0578554 (UMLS CUI [3])
patients who have already received iv mg therapy during the index visit
Item
patients who have already received iv mg therapy during the index visit.
boolean
C0024467 (UMLS CUI [1,1])
C0013125 (UMLS CUI [1,2])
critically ill children requiring immediate intubation
Item
critically ill children requiring immediate intubation. these children need immediate icu management and hospitalization.
boolean
C0189377 (UMLS CUI [1])
children who in the opinion of the treating physician require a chest radiograph due to atypical clinical presentation and are found to have radiologist-confirmed pneumonia.
Item
children who in the opinion of the treating physician require a chest radiograph due to atypical clinical presentation and are found to have radiologist-confirmed pneumonia. these rare patients may have to be hospitalized primarily for treatment of the infection and may not respond to magnesium.
boolean
C3843750 (UMLS CUI [1])
known co-existent renal, chronic pulmonary, neurologic, cardiac or systemic disease. these conditions may influence the response to mg and hospitalization.
Item
known co-existent renal, chronic pulmonary, neurologic, cardiac or systemic disease. these conditions may influence the response to mg and hospitalization.
boolean
C0525058 (UMLS CUI [1])
C0439801 (UMLS CUI [2])
C0009488 (UMLS CUI [3])
transfer from other hospital
Item
transfers from other institutions. these patients would have received initial therapy well before arrival, potentially represent a different stage of their acute disease and may respond differently to mg therapy.
boolean
C0184681 (UMLS CUI [1])
hypersensitivity to mg sulfate
Item
known hypersensitivity to mg sulfate.
boolean
C0020517 (UMLS CUI [1])
C0024480 (UMLS CUI [2])
patients previously enrolled in the study
Item
patients previously enrolled in the study.
boolean
C2348568 (UMLS CUI [1])
insufficient command of the english language
Item
insufficient command of the english language.
boolean
C0021430 (UMLS CUI [1])
C0439801 (UMLS CUI [2])
C0009488 (UMLS CUI [3])
Has no phone number
Item
lack of a home or cellular telephone
boolean
C1515258 (UMLS CUI [1])