bronchial challenge test
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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 — 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
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
test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… … 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
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
Hydrogen breath test — A hydrogen breath test (or HBT) is used as a clinical medical diagnosis for people with irritable bowel syndrome, and common food intolerances. The test is simple, non invasive, and is performed after a short period of fasting (typically 8 12… … Wikipedia
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
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
Diffusion capacity — Diagnostics MeSH D011653 In biology, diffusion capacity is a measurement of the lung s ability to transfer gases. Oxygen uptake may be limited by diffusion in circumstances of low ambient oxygen or high pul … Wikipedia
