bronchial challenge

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 test. 2. inhalational c.

Medical dictionary. 2011.

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  • Bronchial challenge test — Diagnostics OPS 301 code 1 714 A bronchial challenge test is a medical test used to assist in the diagnosis of asthma.[1] The patient breathes in …   Wikipedia

  • bronchial challenge test — see under challenge …   Medical dictionary

  • Bronchial hyperresponsiveness — (or other combinations with airway or hyperreactivity) is a state characterised by easily triggered bronchospasm (contraction of the bronchioles or small airways).Bronchial hyperresponsiveness can be assessed with a bronchial challenge test. This …   Wikipedia

  • bronchial 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

  • histamine challenge — a type of bronchial challenge done to assess responsiveness of the mucosa: histamine is applied to the nose or mucous membrane and mucosal swelling is monitored; allergic or otherwise susceptible subjects have lowered thresholds of reactivity …   Medical dictionary

  • 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

  • Spirometry — TLC Total lung capacity: the volume in the lungs at maximal inflation RV Residual volume: the volume of air remaining in the lungs …   Wikipedia

  • Methacholine — Systematic (IUPAC) name 2 (acetyloxy) N,N,N trimethylpropan 1 aminium Clinical data AHFS/Drugs.com …   Wikipedia

  • Exhaled nitric oxide — In medicine, exhaled nitric oxide (eNO) can be measured in a breath test for asthma or other conditions characterized by airway inflammation. Nitric oxide (NO) is a gaseous molecule produced by certain cell types in an inflammatory response. The… …   Wikipedia

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