inhalational challenge

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 either early or late. Called also inhalational provocation and inhalational challenge test.

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inhalational challenge test — see under challenge … Medical dictionary
inhalational provocation — see under 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
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
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