methacholine challenge

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. 2011.

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  • Methacholine challenge test — A methacholine challenge test is a medical test used to assist in the diagnosis of asthma. The patient breathes in nebulized methacholine. This provokes narrowing of the airways (bronchoconstriction). This is detected when the patient performs… …   Wikipedia

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  • Specific inhalation challenge — The Specific Inhalation Challenge (SIC) is defined as a diagnosis tool to assess airway responsiveness to sensitizing substances as opposed tononspecific stimuli such as pharmacological agents (i.e. histamine, methacholine),cold air and exercise …   Wikipedia

  • 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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