inhalational challenge test
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inhalational challenge — a type of challenge test done to determine reactivity to drugs or causative allergens in atopic or extrinsic asthma; a dilute concentrate of the suspected substance is inhaled and the patient is assessed for bronchial reactivity, which may be… … Medical dictionary
bronchial challenge — 1. a challenge test in which a nonspecific agent such as histamine or methacholine is applied to the bronchi and they are assessed for a bronchoconstriction reaction. Called also bronchoprovocation, bronchial provocation, and bronchial challenge… … Medical dictionary
methacholine challenge — a type of bronchial challenge or inhalational challenge used as a test for airway reactivity or atopic asthma; aerosolized methacholine is applied to the airways and the patient is assessed for responsiveness or hyperresponsiveness … Medical dictionary
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Oxygen therapy — Intervention ICD 9 CM 93.96 MeSH … Wikipedia
